Physics
We summarize the week's scientific breakthroughs every Thursday.
- Physics
Low-energy laser makes leap toward practicality
Researchers have created a polariton device that runs on electricity.
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- Physics
Counting cracks in glass gives speed of projectile
There is a simple relationship between an object's velocity and the number of spokes it leaves in a dinged windshield or fractured windowpane.
- Particle Physics
Heart of Darkness
Unraveling the Mysteries of the Invisible Universe (Science Essentials) by Jeremiah P. Ostriker and Simon Mitton.
- Physics
Questions raised about lithium-ion cell’s claim to fame
For lithium-ion batteries, a user’s charging habits may affect estimates of remaining charge after all.
- Physics
Light journeys unimpeded along material’s surface
A topological insulator for photons, exotic etched glass could improve optics-based communications.
- Physics
Cosmic ray detector confirms hints of dark matter
Space station-based instrument records high amount of antimatter seen in earlier experiments.
- Physics
Quantum cryptography takes flight
Successful reading of photon beam sent from airplane may one day lead to encrypted satellite communications.
- Physics
Sound cloaks enter the third dimension
Concept could lead to sonar-defeating submarines or noise-cancelling highway barriers.
- Physics
Highlights from the American Physical Society meeting
Highlights from the March meeting, held in Baltimore on March 18-22, 2013, include how fire ants need a little water to dig deep, what makes trees scream and a tiny crystal that can squeeze through an even tinier tube.
- Physics
Universe is a teeny bit older than thought
Planck satellite reveals information from just after the Big Bang, largely confirming scientists' theories.
