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Rock Skip Robot- The Science of Perfect Rock Skipping
آمار یادگیری
سطح CEFR
سختی
زیرنویسها (212 بخشها)
(rock skipping)
- What is the scientifically proven best way to skip a rock?
This is kinda hard to figure out
because every rock you throw is a little different,
not to mention your throwing motion
might accidentally vary in between throws.
And so, to solve that,
I built a perfect rock-skipping robot
with my nieces and nephews.
So today I'm gonna show you
how we used what we learned from the perfect robot
to improve their throws on average from 3 to 13 skips.
Let's get started.
(upbeat music)
This is Lake Cavanaugh.
It's located here in Washington State.
I came here every summer
for a few weeks as a kid growing up,
and my memory of it is just this magical place
to be outdoors and to be with family,
but to also discover my independence.
(upbeat music)
And of course, to find a way to compete in anything.
(children laughing)
Including rock skipping.
And this was my first time back in 15 years,
So to commemorate that,
I wanted to build something really cool.
So we took a clay pigeon thrower
and tweaked the spring and machined an adapter plate,
and then made some custom throwing arms from wood.
Then we created a base for stability.
And now all that was left was to challenge my nieces
and nephews to a rock skipping contest.
Only I might have neglected to tell them about my creation.
Actually, forget this. - I knew it.
(crowd laughing)
- [Mark] You guys ready?
- [Crowd] Three, two, one.
(Mark yelling)
- So it actually wasn't that impressive
right out of the gate, but that was intentional
because for this video,
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