How Can Astronauts Tell How Fast They’re Going?
Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.
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Science / Physics and Math
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One Way or Another, Most of Our Electricity Comes From Solar Power
That’s good news, since the forecast is sunshine for the next 5 billion years.
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A Quantum Leap for the Turing Award
Charles Bennett and Gilles Brassard pioneered quantum information theory. Now they’ve been awarded the highest honor in computer science.
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You Can Approximate Pi by Dropping Needles on the Floor
Who needs a supercomputer when you can calculate pi with a box of sewing needles?
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How Can a Locomotive Pull a Long Train That’s Much Heavier?
For railroads, it’s all about managing static and kinetic friction.
How Can a Locomotive Pull a Long Train That’s Much Heavier? Read More »
Could AI Data Centers Be Moved to Outer Space?
Massive data centers for generative AI are bad for the Earth. How about launching them into orbit?
Could AI Data Centers Be Moved to Outer Space? Read More »
Two Titanic Structures Hidden Deep Within the Earth Have Altered the Magnetic Field for Millions of Years
A team of geologists found for the first time evidence linking regions of low seismic velocity and the shape of the Earth’s magnetic field.
How to Use Physics to Escape an Ice Bowl
Here are three smart tricks, based on an understanding of frictional forces, to beat a slippery slope.
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How Does the Hive Mind Work in ‘Pluribus?
The “Joining” seems to connect people via radio waves. Let’s dig into the physics at play.
How Does the Hive Mind Work in ‘Pluribus? Read More »
A New Bridge Links the Strange Math of Infinity to Computer Science
Descriptive set theorists study the niche mathematics of infinity. Now, they’ve shown that their problems can be rewritten in the concrete language of algorithms.
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