Archive for the ‘Science / Dot Physics’ Category

So You Want to Harness Evaporation From a Manmade Lake

January 15th, 2019
There are much better ways to generate electricity than this proposed scheme in Egypt, but here's how it would theoretically work.

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A Flying Tesla? Sure! We Calculate the Power Demands

January 12th, 2019
Elon says he'd use SpaceX propulsion tech to make a Roadster take flight, and we have thoughts.

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A Magic Wand? Nope, Just Good Ol’ Fashioned Physics

January 10th, 2019
What looks like magic is actually the electrostatic force in action, suspending objects in air by manipulating their electrons.

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How to Calculate the Physics in ‘Super Smash Bros. Ultimate’

January 7th, 2019
Using the videogame's training mode, you can figure out the rules governing how the various characters jump and move.

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How Does a ‘Martian’-Style Gravity Assist Actually Work?

January 3rd, 2019
It's basically a perfectly elastic collision, like two bouncy balls colliding.

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Trigonometry Is Essential to Physics. Here Are the Basics

December 20th, 2018
Good ol' trig: that bastion of angles and triangles is essential to calculating velocity, momentum, and much more.

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Use a Slo-Mo Video to Calculate How Fast Glass Shatters

December 18th, 2018
Using footage shot by The Slow Mo Guys, you can get a pretty good estimate of the speed at which cracks travel through a sheet of glass.

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How Dense Does a Body Have to Be to Break a Concrete Floor?

December 17th, 2018
Solve this *Captain America* physics puzzle.

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No GPS? A DIY Radio Transmitter Can Help You Navigate

December 14th, 2018
The old-school way to navigate is with a clock and a sextant, but you can also hack together this alternative.

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An Energy Evolution: From Delicious to Dirty to Almost Free

December 10th, 2018
A warp-speed history of our quest for cheap energy, from prehistoric hunters to climate change.

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