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Physics3790 articles archived since 1845

Knot Not Easy to Knot

Chemists have synthesized the most complex molecular knot ever, using a strand just 192 atoms long. The advance could lead to new tougher materials. Christopher Intagliata reports.

January 18, 2017 — Christopher Intagliata

Tangled Up in Spacetime

The collaborative project “It from Qubit” is investigating whether space and time sprang from the quantum entanglement of tiny bits of information

January 1, 2017 — Clara Moskowitz

What Is a Light-Year?

Do you know what it is that a light-year actually measures? Do you know why so many people find it confusing? And why they really shouldn’t?

December 3, 2016 — Math Dude Jason Marshall

Dogs Teach Bomb-Sniffing Machines New Tricks

A dog’s sniff pulls a plume of fresh scents toward them, which fluid dynamicists say is a technique that could make for better bomb detectors. Christopher Intagliata reports.

December 2, 2016 — Christopher Intagliata

Stand Up for Science Journalism!

Staying informed has never been more important.