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Physics

Physics

Randall Munroe on answering the strangest scientific questions

The cartoonist and engineer reveals what percentage of all humans who have ever lived are your ancestors, and what might happen if you pumped pure ammonia into your stomach (don't)

Culture

Physics

Engine based on Maxwell鈥檚 demon concept may help us understand entropy

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Bubbles exhibit backflipping behavior when colliding tilted surfaces with low inclination angles

Physics

Bubbles in water have been caught doing backflips for the first time

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Humans

Show your children how to make paper helicopters for home experiments

Regulars
Lightning bolts over the Las Vegas skyline

Physics

Firing a laser into the sky can redirect lightning鈥檚 path

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Antibubbles are a blob of liquid with a layer of air surrounding them

Physics

Antibubbles have been made to last a record-breaking 13 hours

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DNA

Physics

Is life the result of the laws of entropy?

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KHP6DT Airplane landing flying airport sun sunset vacation holidays travel traveling plane aircraft travelling

Physics

Why we can’t always make sense of physics with words alone

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Champagne popping

Popping a champagne cork fires gas at supersonic speeds

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Fig. 2. Intensity and phase information of a simulated photonic toroidal vortex. a, Side view of three-dimensional iso-intensity profile of a photonic toroidal vortex. The colorful painting denotes the rotating spatiotemporal spiral phase ( ?r ,t ? ). The topological charge of the spiral phase is 1. The direction of local OAM density (jOAM) is marked with arrows. b, Front view of the iso-intensity profile of a photonic toroidal vortex

Physics

Whirlpools made of light can be twisted into the shape of a doughnut

Vortex rings, similar to smoke rings, have been observed in pulsing light before. Now, scientists have figured out how to make them on purpose with lasers, mirrors and special lenses

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Physics

AI solves complex physics problems by looking for signs of symmetry

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Physics

Super-sized atoms can be used as a receiver to stream live video

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Physics

Strange state of matter made into a pancake-shape for first time

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Physics

Maxwell’s demon experiment could be made real without breaking physics

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