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B1 Mittelstufe Englisch 28:18 Educational

Lasers vs Lightning- Which Is More Powerful?

Mark Rober · 58,057,043 Aufrufe · Hinzugefügt vor 3 Tagen

Lernstatistiken

B1

GER-Niveau

5/10

Schwierigkeit

Untertitel (564 Segmente)

00:00

Which has more destructive power, lasers or lightning?

00:03

Today, to declare a final champion among all the elements we've tested head to head on my channel,

00:08

they'll be facing off in tests against seven household objects, including a CD, a crystal ball and a safe full of cash.

00:14

- Let's go!

00:16

- And since laser had to defeat lava to make it to the finals,

00:19

your favorite former-middle-school-teacher-turned-to-laser-wielding-mad-genius is back;

00:23

Science Bob Pflugfelder.

00:25

- Good luck, Mark.

00:26

- You're so positive.

00:27

And representing lightning, is Mehdi Sadaghdar AKA ElectroBOOM, who left his manners in Canada and brought some

00:34

shocking bits of electric machinery...

00:38

to show off his mastery of electrons.

00:40

- I know what I'm doing. Kind of.

00:42

- But once again, for the final encore performance, I'm not gonna be watching from the sidelines either as all seven

00:48

objects will have to face my X factor method of destruction,

00:52

which as always, is different for each object.

00:55

So for example, this lava lamp might just get turned into an actual lava lamp.

01:00

And as expected at this stage in the competition, the new trash talk commenced immediately.

01:04

- Lightning beats everything.

01:05

- I'm just worried about you surviving.

01:08

- And by the way, winner of today's competition gets a safe full of cash.

01:12

- Really? - Don't get excited.

01:13

- Actual cash.

01:14

- I still got a rusted boat in my driveway from the last one.

01:17

It's gonna cost you more to get rid of it.

01:19

- All right. Well, let's get started.

01:20

- You're doomed both.

01:21

- Lightning.

01:22

- And with that, it was time to start our seven item showdown of destruction starting with the contest to burn a CD from our

01:28

personal collections. Literally.

01:30

And Bob was going to get us started by using his super powerful military grade laser to destroy Rod Stewart's

01:36

greatest hits

01:36

- Hold choice.

01:37

- I'm a big Rod Stewart fan, especially track nine.

01:40

- So Bob fired up both his laser and his Rod Stewart deep cut.

01:47

- Woah, it's gone. Where's the CD?

01:50

- It's like the end of Avengers.

01:52

- What happened?

01:53

- We had to use a replay to realize that Bob's super powerful laser had folded the CD like a taco before incinerating it in

02:00

an undeniable show.

02:02

- What is that? That's nothing, Bob.

02:04

- That's literally ash.

02:05

- You might still be able to play that.

02:07

Watch me do it.

02:08

- Mehdi out of the gate strong with the trash talk.

02:11

- Yeah. Let's hope he can live up to it.

02:13

Wow, he's a mess.

02:15

- Now it was lightning.

02:16

So it was time to see how Mehdi planned to use the super mean looking Tesla coil that he brought to CrunchLabs.

02:22

- Time to burn my CD.

02:23

I'm gonna use this giant...

02:29

- Did you just get shocked?

02:30

- It went to the ground through my shoe.

02:32

- You're like talking slower, I feel.

02:34

- It broke my CD.

02:35

Poor Chris De Burgh.

02:39

- Time to see if the Tesla coil could shock the CD as well as it shocked Mehdi.

02:47

And it worked beautifully, arching patterns, lighting up CrunchLabs.

02:52

They were so gorgeous and like moths to a light we just had to get closer until we remembered we were working by Mehdi's

02:59

safety standards.

03:00

- Wow.

03:01

Like a little bit longer.

03:02

And I think it would have cut all the way through.

03:03

- I think we should try it one more time.

03:05

- I have second thoughts.

03:06

- I never have second thoughts.

03:07

I try again, and every time I learn something new

03:10

- With a scar.

03:11

- I don't have a good feeling about that.

03:13

- But Mehdi had used a wire to ground the CD so he could get close without having to worry.

03:24

Mehdi had become the God of thunder.

03:26

- That's how you erase a CD.

03:28

- And this crystal ball CD was facing its Ragnarok.

03:32

Until Medi shocked himself.

03:36

But despite the second self own of the day, Mehdi had done a pretty great job at burning the CD.

03:41

- Because I know what I'm doing. Kind of.

03:43

- And this is a good time to point out, even though Mehdi has made a career out of building really cool things that always

03:48

somehow shock him,

03:51

he does have a master's degree in electrical engineering and is very smart and actually does know exactly what he's doing.

03:57

In other words, please don't try this with your own 4 ft Tesla coil at home.

04:01

- Roll the X factor.

04:02

- It was time to show these boys what the X factor could pull off.

04:05

- Gentlemen, prepare to have your minds blown.

04:08

- Really? A microwave?

04:10

- It's not just any microwave.

04:12

It's a microwave with two googly eyes.

04:14

- But googly eyes or not, Mariah Carey was in for a little excitement.

04:17

- Three, two, one!

04:19

- Now, wait, I was always told you never put metal into a microwave.

04:22

- This is true.

04:23

Do not try this at home.

04:24

Only try this at CrunchLabs.

04:26

Whoa.

04:30

- The microwave put on quite a techno light show for us.

04:34

And it did a great job.

04:37

- Don't breathe that smoke.

04:39

- But ultimately, despite destroying the CD beyond repair, the final verdict was, I think Mehdi's was the coolest.

04:45

- Yeah, I kind of think it was.

04:48

On to round two!

04:49

- So now that we have the first point on the board, we got ready for a chilly round two.

04:54

- Solid block of ice.

04:55

- I'm gonna make a swan sculpture out of it.

04:57

- I don't want to spoil anything but I'm feeling good about my chances on this one.

05:00

- You'll do a chainsaw?

05:02

- And Bob was up first with the super powerful laser.

05:04

- Alright guys, let's go.

05:05

- And as he worked his laser across the surface of the ice, the dripping water indicated that his laser was weak.

05:12

- Is it even doing anything, Bob?

05:14

- Hey, this is how light works.

05:15

- And honestly, he's right since ice is more or less transparent.

05:19

The laser passes straight through and doesn't bounce off or get absorbed by anything, which means it doesn't build up

05:25

enough heat to cause any damage.

05:29

So this time Bob focused his laser on one spot and held it there.

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