Archive for the ‘Science / Physics and Math’ Category

Estimate the Pulling Force of Boston Dynamics’ Robo-Dog Army

April 17th, 2019
In a new video, a team of robo-puppers pulls a truck as if it were a sled. Here's how to estimate these SpotMinis' pulling force and the friction involved.

Posted in science, Science / Physics and Math | Comments (0)

The Odd Physics of Rey’s Backflip in *Star Wars: Episode IX*

April 16th, 2019
The trailer for *Star Wars: The Rise of Skywalker* didn't disappoint: The universe's physics remain as quirky as ever.

Posted in science, Science / Physics and Math | Comments (0)

Why a (Very Bad and Unsafe!) Playground Stunt Sends Folks Flying

April 15th, 2019
If common sense hasn't convinced you that using a moped to spin a merry-go-round is a bad idea, perhaps the physics of circular motion will.

Posted in science, Science / Physics and Math | Comments (0)

Mathematicians Discover the Perfect Way to Multiply

April 14th, 2019
Most of us rely on the "carrying method" when we multiply. But there's a much faster way to handle large numbers.

Posted in science, Science / Physics and Math | Comments (0)

The Perplexing Physics of Imaging a Black Hole

April 10th, 2019
Why is it so difficult to see a black hole? What is a radio wave image anyway? Here's the science behind the first-ever "picture" of a black hole.

Posted in science, Science / Physics and Math | Comments (0)

Noisy Quantum Computers Could Be Good for Chemistry Problems

April 10th, 2019
Opinion: Noisy Intermediate-Scale Quantum devices produce errors. And in a field like chemistry, errors could be a feature, not a bug.

Posted in Opinion, science, Science / Physics and Math | Comments (0)

The Loopy Secrets of How Charging Cables Work

April 9th, 2019
Your phone charger and USB cables look like they're single cords, but don't be fooled: Unwrap any cable and you'll find multiple wires inside.

Posted in science, Science / Physics and Math | Comments (0)

The Math of How Crickets, Starlings, and Neurons Sync Up

April 7th, 2019
Scientists have discovered new patterns that help explain the synchronized behaviors of pendulum clocks, fireflies, and even the power grid.

Posted in science, Science / Physics and Math | Comments (0)

5 of the Best Demos of Projectile Motion and Its Quirks

April 5th, 2019
A dude jumping on a moving trampoline is a great excuse to dive into the unexpected properties of projectile motion.

Posted in science, Science / Physics and Math | Comments (0)

The Physics of the Doppler Effect, Represented as Tiny Balls

April 3rd, 2019
Why do vehicles coming toward you (and moving away) make that characteristic sound? Let's explore.

Posted in science, Science / Physics and Math | Comments (0)