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B1 Intermédiaire Anglais 5:50 Educational

World's First Automatic Strike Bowling Ball

Mark Rober · 65,610,081 vues · Ajouté il y a 3 semaines

Statistiques d apprentissage

B1

Niveau CECRL

5/10

Difficulté

Sous-titres (141 segments)

00:00

- This bowling ball can get you a strike every time,

00:02

because after you bowl it,

00:04

you simply lean in the direction you want the ball to turn.

00:08

This idea has been on my bucket list for over three years,

00:11

so today I'm gonna tell you how we made it,

00:13

how exactly it works,

00:15

and what happens when you take it bowling

00:17

but neglect to tell the people you're bowling with

00:19

about your slight advantage.

00:21

- Oh.

00:22

- So this trick ball looks and feels like

00:24

a normal bowling ball,

00:25

and that's because it's made from a real bowling ball.

00:28

Step one on this project was to harness my inner

00:30

Lincoln and Dan to see what's inside an actual bowling ball.

00:33

The first thing we discovered is that they aren't symmetric.

00:36

That means the center of mass

00:37

isn't at the actual center point of the ball.

00:39

I won't get into physics here,

00:40

but this is one factor that helps the pros

00:43

curve the ball as much as they do.

00:44

Next, I had my buddy Mark, who owns a machine shop,

00:47

hollow out the ball using a lathe.

00:49

Once that was done, we were left with two shells

00:51

and now I just needed to fill it

00:52

with some engineering magic.

00:54

And to do that, I need to get myself to London

00:56

with a trustee four second travel montage.

00:58

(upbeat music)

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Mark Rober

Mark Rober

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