physics

See a single atom in this magnificent photograph

See the tiny dot in the center of the photo above? That’s a single strontium atom, visible to the naked eye. University of Oxford quantum physicist David Nadlinger’s photo (full image below) won this year’s Engineering and Physical Sciences Research Council’s scientific photography competition.Embroidery Digitising “The idea of being able to see a single atom …

Scientists Have No Idea Why This Enriched Uranium Particle Was Floating Above Alaska

A NASA WB-57 plane, like the one that located the mystery particle. On August 3, 2016, seven kilometers above Alaska’s Aleutian Islands, a research plane captured something mysterious: an atmospheric aerosol particle enriched with the kind of uranium used in nuclear fuel and bombs. It’s the first time scientists have detected such a particle just …

Picture of Single Trapped Atom Wins UK Science Photography Prize

Image: David Nadlinger/EPSRC Zoom in close on the center of the picture above, and you can spot something you perhaps never thought you’d be able to see: a single atom. Here is a close-up if, you’re having trouble: Image: David Nadlinger/EPSRC This strontium atom is emitting light after being excited by a laser, and it’s …

Portable Atomic Clock Makes First Measurement

Portable can mean very different things, depending on whom you talk to. (Image: Christian Lisdat) With a new, “portable” atomic clock, scientists are measuring not what time it is but changes to time itself. What do I mean? Researchers from a group of European labs have tested a next-generation atomic clock that’s not bound to …