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Article: A high-school student won $250,000 for explaining relativity using a pick-up truck and Usain Bolt

December 29th, 2017 No comments

From: Flipboard
By: Chris Weller
Dec 29, 2017

A high-school student won $250,000 for explaining relativity using a pick-up truck and Usain Bolt

  • 18-year-old Hillary Diane Andales won the 2017 Breakthrough Junior Challenge for her video explaining the theory of relativity.
  • Andales took home $250,000 in scholarship money for her win.

The German physicist Albert Einstein needed complex equations to describe his theory of relativity, but 18-year-old Hillary Diane Andales of the Philippines does just fine with a pick-up truck, a few cell phones, and Usain Bolt.

Andales is the winner of the 2017 Breakthrough Junior Challenge, an annual competition that calls on teenagers across the world to submit videos no longer than three minutes that simplify big ideas in science or math. For her win, Andales took home the grand prize of $250,000 in scholarship money.

Her winning video was entitled “Relativity & The Equivalence of Reference Frames.” It began by displaying a sideways number, which you could interpret as either a “6” or a “9” depending on which way you turned your head. The perspective you take, Andales noted, determines your reference frame.

Reference frames are fundamental to relativity because observers perceive things differently if they’re in different locations, she explained.

Andales demonstrated this by recruiting three of her friends to record the sound a pickup truck made as it drove down a road and honked the horn. Each person stood in a different spot — one in front of the car, one behind the car, and one inside the car — and recorded the sound.

Each reference frame yielded a different sound, since the sound waves coming from the horn were either bunched up (producing a higher pitch) or spread out (a lower pitch) relative to where they got recorded.

The same test can be done with velocity and time, Andales explained. If Usain Bolt ran the 100-meter dash at 98% the speed of light, a 10-second finish from his perspective would read 40 seconds on the judge’s clock.

The reason is that faster clocks seem to move slower relative to a stationary observer. It’s the same principle that explains why clocks on the International Space Station, which orbits the Earth at 17,000 mph, lag behind terrestrial clocks by about 0.007 seconds every six months.

Thus, as Andales points out, Bolt is the Olympics’ best time traveler.

You can watch her entire submission video below:

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Article: The most mind-blowing space and astronomy pictures of 2017

December 23rd, 2017 No comments

The most mind-blowing space and astronomy pictures of 2017

http://flip.it/foXJIa

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Chip Hall of Fame – IEEE Spectrum

December 23rd, 2017 No comments
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Watch “TeoTronico & Lang Lang Flight of the Bumblebee” on YouTube

December 23rd, 2017 No comments

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Article: The 100 Most Amazing Space Photos of 2017

December 20th, 2017 No comments

The 100 Most Amazing Space Photos of 2017

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Watch “Arduino Buying Guide 2017: Shawn’s Picks” on YouTube

December 15th, 2017 No comments

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Article: Robot takes part in Olympic torch relay

December 14th, 2017 No comments

Robot takes part in Olympic torch relay

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Article: Honda’s cute new robot concepts only want to help

December 7th, 2017 No comments

Honda’s cute new robot concepts only want to help

http://flip.it/Zo_OBY

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You’d Never Have to Reach for Anything Placed on This Living Robotic Table

December 5th, 2017 No comments
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