Youtube daily channel Jun 2 2017

hello subs yeah share bewareghost channel my channel i lock myself out toke whole may lock self 13 may

if wronder why plz don't ask try fix something at time now

plz stop spam my box gmail and google+ told my friends happened so that very sad that night or day forget plz stop trying sorry not posted videos helping beware ghost she need two years tell you who she is you be so mad i'm Sorry hope enjoy video good night everyone and worlds sorry bye!

:( now no point saying it im back beware ghost saw you post her channel get back next year Later fans or people watch is i don't care shout out go to sound trap

For more infomation >> back !? channel up goverment ! :( most kill the channel - Duration: 2:36.

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Where did the Rolex money go? (Channel update!) - Duration: 2:36.

Hey everybody,

Here's a quick update of the channel status.

I'm still recovering from oral surgery, in case you were wondering what happened to me.

It seems my speech has improved, still not 100%, but better than it was.

So yeah, about the Rolex I won from Watchgang.

I traded it in for an evern better Rolex!

Check it out, my new Rolex Daytona!

No but seriously, I sold it on eBay, and after the appraisal/shipping/insurance and eBay

and PayPal fees, I cleared just under $2000.

But did I do the smart thing and put all that money in the bank, no sir!

I spent all the money on more watches of course.

I managed to pick up most of the watches I had been wanting for a long time.

So what you're seeing scroll by are a sample of watches I'll be reviewing over the next

few weeks now that I'm able to talk normally.

A Seiko Turtle, Citizen Navihawk, a Vostok, a few vintage pieces, even an Omega!

And I still had enough money left over to pick up a Nespresso machine, so I'll be able

to start doing those coffee pod reveiws.

I'm doing a collaboration with another YouTuber on an Invicta watch, more on that when we

are close to finishing.

Watchbot is finally back from being sent off to be serviced... my next video will be the

amazing restoration work done on him.

He's now very shiny, with his new coat of paint and chrome bits.

Anyhow, thats all I have for this quick update!

If you enjoyed this video please LIKE, COMMENT, and SUBSCRIBE to my channel!

Thanks for watching!

For more infomation >> Where did the Rolex money go? (Channel update!) - Duration: 2:36.

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Welcome to my Channel! | 25€ Giveaway | [ENG/GER] - Duration: 0:57.

For more infomation >> Welcome to my Channel! | 25€ Giveaway | [ENG/GER] - Duration: 0:57.

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THIS IS WHY MY CHANNEL GOT TERMINATED!!!/turn on subtitles - Duration: 1:04.

For more infomation >> THIS IS WHY MY CHANNEL GOT TERMINATED!!!/turn on subtitles - Duration: 1:04.

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האינטרו לערוץ/my channel - Duration: 0:12.

my channel

For more infomation >> האינטרו לערוץ/my channel - Duration: 0:12.

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Channel Trailer | Toni Charlotte - Duration: 0:23.

Welcome, to story time (laughs)

Hi Guys by the way (laughs)

For more infomation >> Channel Trailer | Toni Charlotte - Duration: 0:23.

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Durvs youtube channel deleted at 1.4 million subscribers?!! - Duration: 0:45.

so today what were going to be doing

is calling up the boss baby

do one mate

For more infomation >> Durvs youtube channel deleted at 1.4 million subscribers?!! - Duration: 0:45.

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History of Sex Dolls ,İnteresting Videos, Super Daddy Channel - Duration: 3:26.

For more infomation >> History of Sex Dolls ,İnteresting Videos, Super Daddy Channel - Duration: 3:26.

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Welcome To My Channel! || MIKE STILL - Duration: 1:24.

so that when people come to it, they know roughly something about it

For more infomation >> Welcome To My Channel! || MIKE STILL - Duration: 1:24.

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MPLA Airguns UK - Lançamento do Canal | Channel Launch | Presentación del Canal. - Duration: 18:20.

This channel is dedicated to you, Sporting Shooter from all countries.

Which has the need and the curiosity, and like watching things on the internet,

But do not find good material in Portuguese (or Spanish).

This channel will be 100% trilingual, with subtitles in English and Spanish.

It will be focused on Latin American viewers, but also Brazil, US, UK, Europe, South Africa.

This is my first video, so, if I make any mistake, leave your comment,

And I promise the next videos, will be better.

The main objective of this channel is to promote our sport, which is Shooting Sports.

Also, demonstrating that Pest Control, done in a responsible way,

Is very efficient and humane, and it is a good way to control urban and rural pests.

Besides, this channel aims to show the cutting-edge material of shooting.

Things we only see on the internet, or reviews we see in English or Spanish.

But from now, we will see this material in Portuguese.

All those brands you are seeing here were contacted. They are interested,

In doing a partnership with this channel, demonstrate their products,

And penetrate Latin America / Brazil market.

The objective here is to show top of range equipment, that now can be accessible for you by our channel.

Well, let's get started talking about my current gear. We will have many reviews

Talking about guns, scopes, pellets, other equipment.

But, today I'm going to show a shooting session with my gun, the gun I use here (in the UK),

And which is the gear exactly.

Well, starting from behind, I use a tripod Caldwell Magnum,

It is the strongest between all other tripods by Caldwell. It is made to be used,

Since seated on the floor, seated on a chair, or stand.

I use it on a window, on the third floor of this house behind me.

From this window, I shoot in a backyard, that I have permission to shoot.

Here in the UK, for you to shoot somewhere, you need to have a permission by written.

This permission allows the shooter to do Pest-Control and shooting on that land.

I have permission to shoot on the neighbor, on my right, and other on the front.

I currently have 3 permissions. I'm looking for more, spreading the idea,

Of the channel and pest-control, and I hope to get more permissions,

To show more possibilities of shoots for you.

On my right, another tripod, with a pellet catcher trap, by NiteHawk.

I use it to set up the scopes, to do informal shots, testing pellets, see pellets' dropping.

I use this type of paper target, but I also use different types,

Like Splattering Targets and others in different shapes, so you can compare pellets' performance.

This here… is my "little beauty", it is a Daystate Pulsar Grey Laminate,

Bought at City Air Weapons, In Solihull, a city near here. (link on the description).

"She" has 2 magazines, in .177 (4.5). This gun is extremely precise, made by Daystate.

And she is Low-Powered (Sub12). But what does it mean?

Different from Brazil, for example, which has law restrictions of calibre,

Here in the UK, you have law restriction of power limit,

So, all airguns have a power limit of 16 joules (~12 fpe), be it in .177 (4.5),

Or .20 (5.0) which is an intermediate calibre mostly used in the UK.

The .22 (5.5) and .25 (6.35).

So, this gun is .177 (4.5), in low-power, or sub12 - as we say here.

The mounts are Optisan, the same brand of the scope.

(Let me get up)

The scope is an Optisan EVX 4-16x44 F1, First Focal Plane (FFP).

This is scope is really nice, mainly because it is FFP.

Later, I'll make another video showing the differences between

FFP (First Focal Plane) and SFP (Second Focal Plane) scopes.

This gun has a Milbro Huggett silencer, made in England and one of the best silencer in the world.

She has an Atlas bipod. It's a very good bipod, Extremely steady and firm.

Those caps are from companies that made partnership with us,

Weihrauch, Hawke, AirArms and Vortex.

On the other side, it is a second scope I use, it is small.

A Hawke Panorama, 2-7x32 (SFP).

It is a little scope. I like small scopes, with low zoom, I think they work very well in the field.

Here I have a Range Finder by Bushnell, it is the Sport 850.

I use it to make the distance measurements and others.

I use all of those pellets here on the front. Polymag, Destroyer by Crosman, JSBs, H&Ns.

Each pellet has a specificity, an objective.

And one of the objectives of this channel is to show

That each one of the pellets has a certain use. And for you to obtain the best of the pellet you use,

You have to know it, to know your gun, and understand how the pellet work on your gun.

Well, let's go to a shooting session?

Hello guys, as I promise you, we'll have a shooting session now,

I'll shoot 10 rounds with each one of these pellets, it will be 110 shots in total.

I'll start with the JSBs, then Destroyer and Polymag, and by the end a sequence with all the H&Ns.

I took some pictures, we are showing them. I wrote the weight, the distance, how many shots.

Let's go, let's get started.

This noise you are hearing is the neighbor doing a refurbishment.

Let's go!

With no pellets, we can't start! :)

Well, that's it. I hope you have enjoyed, this was the first video of the channel.

Please share the video. Please publicize this channel. Like the video, if you really liked it.

We have a deep will to show you what are the novelties, what are the best equipment

You can have access now through this channel, and the access to the knowledge, which is very important.

I'll wait for you! Greetings and good shots!

(Check the description for more information.)

For more infomation >> MPLA Airguns UK - Lançamento do Canal | Channel Launch | Presentación del Canal. - Duration: 18:20.

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Powerful 2-Channel Amp Bass Warrior 302. A Review by LOUD SOUND - Duration: 19:20.

[V]: If you miss schooltimes, if your summer vacation is already on,

[V]: Your schoolbus is right here. There you go.

[V]: Have you ever ridden one of these to school?

[B]: Yeah.

[Vik's new video! (First link under the video)]

[V]: Let's check out some girls.

[V]: Nice!

[V]: This project is called simply 'The '07'

[V]: Some may say this is a knock-off of Revazov's one.

[V]: It' on Vossen, through spacer bars.

Hi, everyone! Loud Sound office here. Today, it's one super-usual review.

This one is exactly what our channel first started off with

I'm speaking about hardware testing. And today, we're testing one of the smallest and the most powerful amps hand-made in the town of Oryol.

by Mr. Andrey Lozhkov, a.k.a. Biohaz. And the brand is Bass Warrior.

You all know him from our video, 'World's Most Powerful Amp'.

Well, yes, we have to mention that it's 12V now. Sure, there are more powerful ones for 220 and 380 V.

And today, in our review, we have that 12V most powerful amp in the world, as well.

This is Artyom, btw.

[A]: Hi.

It's here as a decor element but we'll spare a word or two about it. No testing, tho. We don't have that much resistance in Rostov yet.

I don't know where to shoot it. Arty tried it in Panda. Took out 15 KW.

[A]: Easily.

Yeah. But the claim is a lot higher. The thing's got its brains. But we'll be back to it later.

And today, we're reviewing this baby.

The first thing to note is that it's small, smaller than my palm.

And per claim, it gives out 300 W per channel (at 4 Ohm) with two channels loaded.

Now we'll chrck what's the real out with this claim.

Then we'll hook it up at 2 Ohm. And we'll do some clipping.

I don't really believe in this type of cooling. Said it to Andrey, and he said, in case of overheat, the amp should be placed on some sort of legs.

The bottom of the amp here is the radiator. He said, under high stress, in testing, it might heat up,

But on a daily basis, when it's bringing in the claimed power, no problems should appear.

We'll also check it with a pyrometer. What's the temp at the moment?

[A]: 32-33°C (89-91°F)

33°C (91.4°F) at the moment. We'll see how it works during the testing.

And also, this water tub will participate in today's test.

The resistance outlets are in it. We can hook it up at 4 Ohm and 2 Ohm

but you don't want to hear that. You want figures.

Arty's showing me the oscillograph. We're measuring pure signal, without interferences.

[A]: And the car voltage.

Yes. The voltage is lower now than that of a car, starting off with 13.9 V.

A clamp meter here, a voltmeter, we're recording the results IRL, no peak-holds.

With peak-holds, the signal might get dirty. Well, we'll see the toppest top figure.

We're more interested in clear constant power.

The peaks will be registered by the meters, and we will check out the clear signal.

Once Arty reaches it, we will see it on the oscillograph.

And we'll see what voltage and amperage it can give out with clear signal. And the Loud Sound app will help us.

If you were wondering, the app is called Loud Sound, you can find it in the AppStore.

And there's a tone generator. You can release any frequency. That's what we use, actually.

We're using it now for creating a 50 Hz tone. you can generate any. And there's also the power calculator.

You type in Volts and Ampers, and you see the power right away. And the resistance here, on the top.

We're gonna be using this app today. It's free. You can download it from the AppStore.

There are also other functions. It's just people often ask 'bout it.

For some reasons, we leave it out of our reviews.

So, for the first measuring, we have 2 channels, 4 Ohm, both channels are loaded.

And we're measuring one channel to see how much of clear signal comes out of it at 4 Ohm.

Are you ready, Arty?

Okay, Arty's turning gain' to make it smooth, we get it up to the cliping level and then a tad down to get clear signal.

Here we have the system voltage. Went down to 13.6 now.

There's a slight clip. Move it back a little. Just a slightest bit, to get clear sound. A bit more.

Here's a sine, and we can see 36.2 V by 9 A.

36.2 V by 9 A. And we get 325.8 W by 4 Ohm.

Not bad. 325.8 W of pure signal with two channels loaded at 4 Ohm.

Now let's check out the dirty signal at 4 Ohm. I doubt you're gonna get it during daily use of your system.

But let's just do it for the sake of the interest to see what the amp can do at all.

Both channels are loaded. both are 4 Ohm. Now we're just going full swing.

And now we can turn on the peak hold. We're not interested in real clear result anymore.

Square...

Could've gone more but you don't have more capacity, do you? Oh, you can do it with the HU.

Go full swing. Let's get it as square as possible.

43.4 V by 10.7 A. As a result, we have 464.3 W of dirty signal per channel.

Oh, and let's see the temperature.

[A]: This is the heat peak.

We're checking the power supply unit now. It is 34°C (93°F).

The next one is a 4 Ohm bridge. This one is for those who intend to use the amp as a monoblock for their sub.

Considering the cost - the official retail price is 15K for now. Dunno, maybe it will change someway.

Considering that, two of these could be good for the front, with the power we've already seen.

So, 4 Ohm, bridge, clear signal.

Wait, the meter is off. What the f... Oh, my bad. Okay, we can proceed.

Here, go back a bit. More, more -- here! Stop. 57.8 by 15.1

57.8 V by 15.1 A makes 872.8 W of pure signal.

Now show the temperature.

39°C (102°F). Warmed up a little bit.

But it's still normal. No big deal.

Now probably the most commo hookup arrangement. The most likely one, for sure. 2 channels, 2 Ohm each.

I mean, the normal way is 3-4 Ohm, but clearly people are gonna try and get more power for the samo money and wire it 2 Ohm.

o now we are going to check if you can pump up two nice doors with one amp like this.

What are our expectations? Like, 400 W per channel?

[A]: 400-450 W.

Prediction time. I think we should bet money on it. To make it all interesting.

Here's power.

Wow! Did you kick it up on the HU?

[A]: Yup.

It's good.

29.7 V by 15.5 A. Well, Arty, you were close. 460.3 W. Now go square.

That's it, right? The squarest we can get. 34.9 V by 17.7 A. 617 W of dirty signal per channel.

So here are the figures. 2 channels, 4 Ohm each, we got 325 W which is slightly more than the claim.

But, I think, you clipped a tad there, Arty.

There was a slight blip there.

Well, I think the claim was like that in the first place 'cuz they got a figure around this,

and they decided to round it up to a reasonable figure, without overloads.

When bridged, it gave out 872 W which is hell of nice for a bridged 2-channel, right?

[A]: But it had many laybacks along the way.

At 2 Ohm, the result was 460 W per channel.

I guess it could be dangerous considering the size of the amp. But we'll see it over time.

Anyway, I tink, even if something pops up over utilization, the guys will brush it up.

They're know to have never left their flaws unattended.

They keep groeing and getting better.

And now in a size this small they've managed to get sucha powerful device.

And accordign to Andrey, the schematics of this amp provides higher quality than that of other D-class amps.

The arrangement is so that with the power growth, the played frequency range does not go down.

This amp plays the higher range just as well, although the D-class amps are known for dropping the higher pitch

Here, Andrey claims the amps is gonna play with higher quality as compared to other D-class amps.

With higher power.

And a couple of words bout this marvel. Let's show the cooling.

It's two sided, right? In and out?

[A]: Yes, it's two sided.

It's so huge I can't even stretch out that much. Where's the second cooler batch? I don't see any.

[A]: What do you mean? They're inside.

Inside?

[A]: And it's very smart, too. For those who claimed this was an IQ20 or a copy of a Brazilian amp, this is a completely different amp.

[A]: It had a built-in processor, and from the moment of getting into its owner's hands, it remembers everything that's happened to the amp.

[A]: How many times you turn it on, how many times it goes to safety mode - everything stays in its brain.

[A]: And if there's a qustion whether it is a warranty case or now, Andrey can see it all instantly.

So you won't be able to say 'I did it all right'. The amp remembers everything that's happened to it.

The power, the resistance, the voltage - it will show it all.

Besides, it has a touch screen, right?

The previos ones were touch. This one is not?

[A]: No, it's not. It shows all the parametes, power input and output, resisrance etc.

[A]: The resistance dynamics -- and amazing tool for sports. I used it to finetune the Panda.

[A]: Never needed a clamp meter once.

Yeah, after every measuring, you can see all the figures.

[A]: And the errors, too. It shows all the errors.

All the errors go up the screen, too. The thing is very brainy.

It also has a very good way of exiting the safety mode. If the sys goes there, it just --

So if the mode goes on but the amp can see that the disturbance is no more, it goes back on asap.

[A]: So if you take off the cover with the amp on, it goes off instantly, and doesn't go on.

[A]: The backbone there is for you not to get toast by the electricity.

Because the power supply unit's voltage is 380.

The cost here is what? 170? Right. 170K rub is the cost, and before you start agonizing about how expensive it is

I believe, this is a pretty low claim. Because at the moment, for 130-140K we can buy what? A 10KW?

Or what is the current cost of the 10 KW amps?

[A]: 149K is one Deaf Bonce, I think.

So, a 10K amp costs 149K rub. So to get the same power you'll need -- well, yeah...

[A]: 4 of them. Over half a million rub.

Anyways, there is only one piece made at the moment, right?

[A]: Why? No, there's more.

Did they make more?

[A]: I witnessed them put together two more. They're making them, people are ordering them.

FYI, in the review of the most powerful amp we showed Quasar Q20. This one is Q30, so it's even more powerful.

And I got mocked a bit on the Instagram. I posted a pic and called the most powerful amp in the world.

People said, 'Don't forget to note it's 12V'.

So let me correct my mistake. It's for 12V. Because there really are more powerful amps.

Mostly in Brazil. Or only in Brazil?

But they feed off 220 V or 380 V. Stetson, Taramps, Sun Digital have some.

They do have high voltage models that give out more power but they need to be fed off all mains.

Not off the internal power network of the car, and not off a power cell.

That is a bigger game.

I do understand that reviews of this kind are needed, and people keep asking for them.

But - I mean, yeah, this is an informetive bit, and people are gonna look for it and use the info later.

But let's be honest, it is not really entertaining and funny. I don't think anyone had a blast with the action and the joke load.

However we are going to keep doing reviews like this.

Sorry, guys, if car sound is not why you're here.

We're gonna keep testing stuff. Why we haven't been doing it so much? First of, it's not that interesting anymore, neither for you nor for us.

Why is that? It's because there's a huge load of new amps coming out all the time, we just can't keep up.

You can't possibly test all of them, and we're trying to move away from the comparative style.

But we're sure gonna show the most excitig stuff. And for those eft out of reviews, text us on vk.com for consultation and all.

We will share our experience regarding which ampgoes better with which sys etc.

So you can get a consultation regarding the models you are interested in.

You can get the info support on our website loudsound.ru or right here, on our vk.com page.

Feel free to ask questions there.

Europe. Everyone's waiting for the Europe trip. I have finished processing all the action-cam videos.

Now, I'm digging into the videos from the second cam. And there are some made with an iPhone.

So it's a lot of work. After I'm done, Arty and I will take a seat here, and start commenting it.

So we will incert our comments in between of the videos 'cuz some things are not really clear there.

So please, get together. This is gonna be a very long video, for fans only. Sure it's not gonna go viral.

The current timing is reaching 40 min, I think it's gonna be 1 hour or more. I'll try and cut it so that you don't get bored.

So keep waiting. I agree, it's not fast. Tbh, this is a long-term project, and I neve prioritize those.

Because I always do what's more interesting for me to edit and watch in the first place.

And the Europe I do in between the reviews.

So... The Europe is on its way.

The '13. Poeple keep asking 'bout it. It's going to be renewed, and we'll have a new review for the 2017.

It was changed last year, and the year before. The '13 is not stuck in one place.

[A]: Two years before.

Arty keeps coming up with new ideas.

Well, believe it or not, the '13 was started as a project in 2013. It is 4 years old already.

This year, something new, something interesting is coming up. The sound will be different.

I don't now yet if it's gonna be louder or lowers, but it's gonna be different for sure.

Wait up for the '13. Wait up for the '07. We have so many projects. Sorry, we don't have enough time for all.

Leave your comments on what else you'd like too see.

We often get ideas from the comments. Which doesn't mean we can fulfil all the requests.

But very often, people share interesting idea, so I keep it in my mind.

And then we develop this idea. So if you have any interesting ideas, please, feel free to share them.

That's it. Bye, everyone. Live LOUD!

What the heck are you doing? They're gonna get cultural shock!

[A]: Can you touch it? You can't!

[M]: Do you speak English?

I speak.

[Speaking English]

[Coming soon]

Yes, for now, just the measuring, the install is later.

So they are measuring the car that is not 100% IN the measuring contest yet.

Fun, huh?

[Threatening in English]

Fuck EMMA!

So what, Arty? Buying this one?

[A]: Yep.

A good one.

Well, not bad. BMW is better, right? And Mercedes? Is Mercedes better?

No? And Audi? Is Audi better? No?

Lexus is better than all or something?

This plastic in the middle is weird. It's no luxury. Luxury my ass!

[A]: It's a sport car. Why the fck do you need one?

Let's go check out some nice cars. They're next door.

And right after a Lexus, here's a contrast. Why don't they do this in Lexus, huh?

[A]: The price.

Hey, Arty, look! It says, 'Morel'. Looks like it's car sound. Let's go check it out.

It says 'Morel'

But it's closed. Like everything is on Sunday.

What the hell is this?

[A]: Why is he wearing red underpants?

Let's get ouot of here. Or they may think we're interested.

Look at that!

Do you like Europe?

[A]: No.

For more infomation >> Powerful 2-Channel Amp Bass Warrior 302. A Review by LOUD SOUND - Duration: 19:20.

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How Often Should You Upload Videos To YouTube? - YouTube Tips And Tricks To Grow Your Channel 2017 - Duration: 8:07.

How Often Should You Upload Videos To YouTube? - YouTube Tips And Tricks To Grow Your Channel 2017

For more infomation >> How Often Should You Upload Videos To YouTube? - YouTube Tips And Tricks To Grow Your Channel 2017 - Duration: 8:07.

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Channel Trailer | EnjoyDrawing YouTube channel | Easy drawing tutorials - Duration: 0:31.

EnjoyDrawing

YouTube

The best place on YouTube to learn drawing.

Enjoy drawing with fun narrated tutorials.

New videos on Wednesdays!

Time-lapse and narrated alternative.

Like,

Subscribe

Share

For more infomation >> Channel Trailer | EnjoyDrawing YouTube channel | Easy drawing tutorials - Duration: 0:31.

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The Future of My Channel - Acfchen - Duration: 1:26.

Lol Movie Maker Edits

Dun

Dun Dun

Dun Ba Ba Ba... Ba_ Ba Ba Ba... Ba_

Dun

Dun Dun

Dun Ba Ba Ba... Ba_ Ba Ba Ba... Ba_

HITTER CLICK THAT WAVE!

SUPER STRAIGHT FLYING!

BALL POWER!

GO!

HITTER CLICK THAT WAVE AGAIN!

DUAL! DUAL! DUAL! DUAL! DUAL!

TRANSITIONING BACK TO THE CUBE!

??? Acfchen's new Outro?

For more infomation >> The Future of My Channel - Acfchen - Duration: 1:26.

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Welcome to US Logo's Brand Development Channel - Duration: 0:55.

Welcome to the US Logo Channel, where we talk about marketing in all it's myriad forms.

Sometimes it's search engine optimization, sometimes advertising tips, sometimes it's

brand development … sometimes we'll tell you about our marketing products and services,

and how you can use them to put your brand in action with all these ideas.

Sometimes we'll talk about cake because everybody likes cake.

If you find the videos helpful, pull your cursor on over—ooover—and click that little

red subscribe button to let us know you're out there.

Thanks for watching.

Did you click the button?

Okay.

Bye.

For more infomation >> Welcome to US Logo's Brand Development Channel - Duration: 0:55.

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Channel Update - Duration: 0:48.

Yo, this is DanyaPadsan

I am back just to do the channel update

As today I got well

Because I was very sick

I will resume making videos for my viewers

And make joy for me and for others

But, I can't tell with what I was sick in this video

But if you want to hear about it, please leave in comments and I will try to make a seperate episode about it. Thank you.

For more infomation >> Channel Update - Duration: 0:48.

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Breaking AES with ChipWhisperer - Piece of scake (Side Channel Analysis 100) - Duration: 14:09.

In this video we are going to recover a private crypto key inside the arduino just by observing

it's power consumption.

We are going to perform a differential power analysis attack on an AES implementation.

In the previous video we have introduced what power analysis is, and how you can prepare

the arduino board to do those measurements.

And now we are going to actually solve the first side channel challenge of the riscure

embedded hardware CTF.

Piece of scake.

S-C-A.

Side channel analysis.

100 points.

So this is really a low amount of points and I do have a lot of … ehm… opinions about

that.

You will see.

This is an easy SCA challenge using a cipher implementation without any SCA, so side channel

analysis, countermeasures.

Find the key used to encrypt and decrypt messages.

attacks.

To encrypt a message, send the letter 'e' followed by 16 bytes.

To decrypt a message send the letter 'd' followed by 16 bytes.

This sounds really easy.

Should be a straightforward thing.

Remember from last video how you can break a terrible RSA implementation by identifying

the square and, square and multiply operations in a power trace and simply read the bits

of the private key?

That's like the simple go-to example when introducing side channel analysis, because

its so simple.

so from the beginning I set my mind to RSA.

This is gonna be RSA.

I just send a decrypt command via serial to the board, trigger the oscilloscope at the

right moment, basically trigger power consumption data collection after I sent the data to decrypt,

and then the board will use the private key for the decryption and I can just read the

bits from the trace.

After the multiple days of fighting with the setup, soldering, knowing about groundloops

and capacitors you should remove and requiring all this fancy equipment, I was sure this

is what I gotta do.

I will be rewarded for learning all this with a simple challenge.

It's the introductory side-channel challenge anyway.

Gosh was I wrong.

So I'm sitting there, staring at the oscilloscope.

Zooming around trying different methods to acquire the data.

Like averaging traces or different resistors.

I just didn't see what I would expect in an RSA power trace.

This killed already multiple evenings for me.

Until I was more or less told, this is not RSA… this is AES.

Fuck my life.

Also makes sense with the 16 bytes of data to encrypt or decrypt.

That's the AES blocksize.

A rollercoaster of emotions.

Happiness of learning something new, followed by pure rage and frustration.

So here is the thing.

I knew the FAQ introduced differential power analysis.

DPA.

I also larned about this in a hardware security class at university.

So I knew that it's a thing.

And I knew what kind of equipment I need to do this.

But I did not expect this to be the case for the first 100 point challenge.

In a few minutes you will see why they gave it 100 points, from a certain point of view

it makes sense.

But I completely disagree with it.

So what is DPA.

Differential power analysis is a more advanced form of power analysis which can allow an

attacker to compute the intermediate values within crypto computations by statistically

analysing data collected from multiple crypto operations.

These were introduced in the open crypto community in 1998 by a company called Cryptography Research.

And they are filthy rich now for discovering this and creating a consultancy research company

around it.

I mean they deserve it I guess.

It's a pretty crazy attack.

With simple power analysis we assumed that the implemented algorithm will perform different

operations depending on the private key and thus show a different power footprint.

But in case of the shitty RSA implementation you could just multiply and square in EVERY

iteration and just keep the result of whatever the current bit was.

Thus no difference anymore.

BUT there is a deeper layer than that.

The power consumption directly comes from the single bits, the transistors.

So even if the algorithm performs the same operations independent from the private key

bits, those bits would still cause a very very tiny different power consumption.

This sounds even more crazy than the simple RSA example.

Because these bit changes are soooo small.

That's why you do a smart statistical analysis on a lot of collected traces.

I actually don't wanna explain this method in detail, because it's fairly complicated

and there is a good video by Colin O'Flynn doing exactly the AES example.

But the gist is, that you collect a lot of power traces from random input you encrypt.

Then you make a guess on what the first byte of the private key could be.

And then you perform part of the encryption algorithm as if that was the correct key,

and given the random input valuesand that key guess, it would lead to different intermediate

values.

Then you take the traces where this intermediate value is the same for further analysis.

If the key guess is correct, the power traces should all have correlation of power usage

in that point in time.

If the key guess was wrong, the traces you selected based on that would have completely

different intermediate values, thus random power consumption and nothing would correlate.

It would cancel out.

So you do this for each possible key and for each possible byte.

And in the end you should find the correct key.

But how do you actually do this now.

I knew I did not want to implement this math myself.

Also I would have to write my own tools to automatically collect these traces from my

oscilloscope, and the USB or networking API seemed horrible.

I wasted some time with that but then gave up.

I knew what I needed.

It was a ChipWhisperer.

It's a piece of hardware that is specifically designed for doing this.

And it comes with a software that has all these attacks already implemented.

I thought about buying one initially, but I assumed an oscilloscope would be more flexible

and I could learn more with it.

I know some players bought a ChipWhisperer because it was recommended to use it for these

hardware attacks.

And it costs a bit money.

But I think without additional equipment like an extra oscilloscope it's hard to debug

issues.

Anyway, I'm happy with my purchase choice.

But I still wanted that ChipWhisperer for this challenge and I knew where to get one

from.

Some of you know that I'm still a student at the Technical University of Berlin.

I'm still working on my masters degree and we do have a small group at the university

that does hardware security research.

That's where most of my theoretical knowledge about these attacks comes from and I have

a fairly good relationship with them.

And they obviously have a ChipWhisperer in their lab.

So I wrote one of the PhD students and asked if I can come over and play with it.

And that's the awesome thing about a university, you can get access to awesome equipment as

well as help and advice.

So I encourage every student to take advantage of these things.

That's one of the reasons why university can be really awesome.

So when I used it the first time, I just followed the example.

Which is a DPA attack on the test board that comes with the Chip Whisperer.

Everything is already set up for you.

The test board has a connector for the probe.

This is the measurement probe.

And another broad connector which carries the power as well as the RX and TX lines for

serial communication.

Then you use the example script, which implements the serial protocol to talk to the test board.

Basically it also sends 16 bytes that should be encrypted.

And with a click on start, it starts collecting power traces.

The trigger for the power measurement and all the other parameters are already set to

the correct values.

Then you let the attack script run, it does the DPA and after a minute or so it finds

the key where the power spikes correlated.

And you can look at all these fancy graphs and you can feel really cool that you just

broke AES with DPA, without knowing shit.

And this is why this challenge only gives 100 points.

Because in the end it's just putting in the correct parameters and clicking GO. and

then the secret key falls out.

Well, there is a bit more to that challenge.

But essentially that's all it is.

So I took the ChipWhisperer home and spend the next few days trying to do this on the

CTF board.

There were so many fails.

I will tell them now in sequential order, but you have to imagine that they were all

intertwined and only slowly I found all these mistakes.

It was not a clear progression of "find error", "fix it", "find next error",

"fix it".

I tried a lot of things and spend hours over hours until I discovered the issues.

So while I make it sound straightforward, it was absolutely not.

It was hell.

Ok first of all I had to learn how this ChipWhisperer framework works.

I realized that the test board is just a little bit different from the CTF board.

So I only have to change things like how to trigger encryption or decryption.

But before the Chipwhisperer could communicate via serial with the baord, I had to solve

the issue of different voltage levels.

The Arduino Nano board runs with 5V, while the ChipWhisperer uses 3 volt.

So I had to build a unidirectional level converter to convert the 3 v signal to 5v, and the 5v

signal to 3 volt.

But that worked surprisingly quickly.

So this is the setup.

Serial connection via the level converter.

And then using a RIGOL probe to measure the voltage after the resistor.

I was so happy and felt really smart for using the Rigol probe because it fit onto the plug.

Then I copied the code for the example script and spend some hours modifying that and I

was able to collect traces and run analysis.

I thought the difficult part was now to find the correct moment in time where the crypto

is happening.

At some point I realized that one of the LEDs flashes just before the crypto starts, so

you could use that as a trigger for the Chipwhisperer.

Again, don't forget the unidirectional level converter.

But after a few days of not being able to find correlations in my captures I was so

frustrated and I finally decided to look into the serial communication.

And I realized that I did not send the raw data I wanted to encrypt, but I sent it as

a hex string.

This was obviously completely fucking wrong.

No wonder no analysis worked, because the data was just wrong.

So at some point I had fixed that, but stuff was still not working.

And it's really hard to figure out whats going on.

The traces I took on the oscilloscope looked really good.

I was able to easily see where the crypto is happening.

AES has 10 rounds of crypto, and you can clearly see them.

They are right there.

So my trigger was at the right moment.

But when I took traces with the chipwhisperer, I didn't see that.

After many many more hours and days I realized the RIGOL probe is the issue.

You know these probes are not just plain metal wires, they have some components in there.

In fact this probe is a 10:1 probe.

So on the oscilloscope you actually have to set a 10x multiplier for it.

And the ChipWhisperer was not compatible with that.

Once I realised that I was about to jump off the next building.

What the hell.

Then I replaced the nice professional probes with a simple wire.

And suddenly the measurements were great.

Another challenge I had was to set the sampling rate high enough, because you want to sample

a lot faster than the clock of the microcontroller.

But setting that is super janky for the chipwhsiperer.

And a looot of other small issues.

The software constantly stopped working, I think it's a memory issue.

I had to guess what certain parameters are for.

And you can imagine with all the issues I just told you about and not really knowing

what's causing it, it was overall a damn frustrating experience.

Is it the capacitors, is something broken, is it interference, is the script wrong, are

the aprameters wrong, am I collecting not enough traces, am I at the wrong point in

time, is the trigger working, is the data even random, I don't know.

Oh.

And I also lifted a second pin of the atmega up, because there are two VCC connections

and I didn't know if that was maybe an issue.

It was hell.

RERECORD HERE

Anyway.

Once the whole setup was correct and working, and I clicked start to collect the traces

it started to look really good.

Once you have a nice set of traces you have to allign them, because the trigger is not

perfect in time.

But there are modules for that.

Like pattern matching.

And then you can run the analysis, and the key magically poppes out.

There it is.

I transcribe the key, and hand it in.

100 points.

100 points for hundredes of euros I spent on equipment and days of work.

100 points.

I'm so so so depressed.

I also have to give credits to Andres Moreno from riscure who despite my constant ranting

and cursing still listned and helped me a lot.

Thank you so much!

Also thanks to my friend at the TU Berlin and others from the riscure IRC channel.

I needed a lot of help for this challenge.

But regardless of my hate for this challenge, I'm also really proud for having done it.

It was so clearly above my skill level and in the end I succeeded.

And I learned a lot.

For more infomation >> Breaking AES with ChipWhisperer - Piece of scake (Side Channel Analysis 100) - Duration: 14:09.

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'Big Star's Little Star': What Time & Channel Is It On? - News of TV Shows - Duration: 1:56.

'Big Star's Little Star': What Time & Channel Is It On?

The celebrity gameshow Big Star's Little Star premieres tonight on USA with a family-packed episode that features Todd Chrisley and his son Grayson, Marissa Jaret Winokur and his son Zev, and Chad Johnson and his daughter Ch'iel.

In April, The Hollywood Reporter announced that the cable network series would be hosted by Emmy winner Cat Deeler.

The show pairs stars from entertainment and sports with their children in a test of their knowledge. The $25,000 earned by the winning team will go towards the charity of their choice.

The kids will be asked some hysterical questions, like what Todd Chrisley's favorite body part is, why Gilles Marini's puppy is an "unwelcome bedfellow", and what parents tend to forget.

In a recent interview with TV Insider, Cat Deeley said, "I think more than anything [kids] love embarrassing their mums and dads…They're all amazing in their fields, so to take them out of their comfort zones and put them next to the things that matter most in the world to them and just watch them be really honest with each other is brilliant.

For more infomation >> 'Big Star's Little Star': What Time & Channel Is It On? - News of TV Shows - Duration: 1:56.

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ByME channeL 03 - Duration: 3:10.

For more infomation >> ByME channeL 03 - Duration: 3:10.

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Channel Trailer - June 2017 - Duration: 0:34.

Hi, I'm Jon Bartlett.

Welcome to Melodies YouTube channel.

Here we're going to be taking a lighthearted look at some performances from our students

and teachers at the studio.

Hope you enjoy it.

We certainly enjoyed having fun making it.

We hope you enjoy our student performances.

Thank you for watching.