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Latest about light

There's a Brand-New Kilogram, And It's Based on Quantum Physics
By Rafi Letzter published
The kilogram isn't a thing anymore. Instead, it's an abstract idea about light and energy and fundamental universal constants.

Here's What the Speed of Light Looks Like in Slow Motion
By Brandon Specktor published
What does the speed of light look like? CalTech researchers built the world's fastest camera to find out.

A Single Thundercloud Carries 1 Billion Volts of Electricity
By Brandon Specktor published
A single thundercloud is more powerful than even the most potent nuclear plants on Earth. Scientists used cosmic rays to prove it.

Truly Spooky: How Ghostly Quantum Particles Fly Through Barriers Almost Instantly
By Mindy Weisberger published
Scientists recently unraveled a physics puzzle that has stymied experts since the dawn of quantum mechanics.

Russia Claims Strobe-Light Weapon Causes Nausea & Hallucinations. Is That Even Possible?
By Yasemin Saplakoglu published
How flashing light can overwhelm the brain

Gorgeous Fractal Patterns, Normally Found Only in Nature, Re-Created Using Laser Light
By Yasemin Saplakoglu published
A human-made thing created a very beautiful, natural pattern.

New MIT Laser Device Whispers Secret Sounds Into Your Ear
By Rafi Letzter published
Imagine sitting down to dinner with a group of friends, when a laser tickles the water molecules inside your ear. "Hello!" you hear.

Physicists Made a Flying Army of Laser Schrödinger's Cats
By Rafi Letzter published
A laser pulse glanced off a rubidium atom and entered the quantum world — taking on the weird physics of Schrödinger's cat.
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