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Physics3871 articles archived since 1845

Shoelace Study Untangles a Knotty Problem

Researchers have trotted out data that show a combination of whipping and stomping forces is what causes laces to unravel without warning. Karen Hopkin reports.

April 12, 2017 — Karen Hopkin

Rolling Race

A spinning science activity

March 23, 2017 — Science Buddies and Ben Finio

UV Rays Strip Small Galaxies of Star Stuff

Researchers measured the intensity of the universe's ultraviolet background radiation, and say it may be strong enough to strip small galaxies of star-forming gas. Christopher Intagliata reports.

March 22, 2017 — Christopher Intagliata

The Quest to Crystallize Time

Bizarre forms of matter called time crystals were supposed to be physically impossible. Now they’re not

March 9, 2017 — Elizabeth Gibney and Nature magazine

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