Physics
-
AnimalsWarm petals may attract chilly bees
Dark-purple violet petals are warmer than a light-purple variant. And and that warmth might explain their attraction to potentially chilly bees.
-
ChemistryScientists claim to have turned hydrogen into a metal
Most people know hydrogen as a gas. But under high pressure, scientists now think they’ve converted it into a reflective metal. Not everyone is convinced.
-
PhysicsExplainer: How batteries and capacitors differ
Both batteries and capacitors can power electronic devices. Each, however, has different properties which may provide benefits — or limitations.
By Sid Perkins -
ComputingLEDs offer new way to kill germs in water
Growing ultraviolet-light-emitting diodes on thin, flexible sheets of metal holds promise for water disinfection and other applications.
By Sid Perkins -
PhysicsWeird physics warps nearby star’s light
Scientists have observed a bizarre effect of quantum physics in light coming from a nearby neutron star.
-
ComputingWind power gets downsized — but in a good way
Two young scientists have developed ways to tap into wind power on a small scale.
By Sid Perkins -
Materials Science3-D printers offer better way to make some magnets
3-D printers produced magnets as strong as conventional ones with less material wasted.
-
ComputingStar Trek technology becomes more science than fiction
On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.
-
PhysicsScientists Say: Diffraction
When liquid hits something it spatters, when light hits something, it scatters. The process is called diffraction.
-
PhysicsHack: How to spy on a 3-D printer
Computer scientists have found that a hacker can eavesdrop on a 3-D printer using a smartphone. The technique uses sound and energy data produced by the printer.
-
AnimalsOur shocking eel story wins international prize
Roberta Kwok’s story on the shocking (and surprising) behaviors of electric eels was honored with a win for outstanding science writing.
By Janet Raloff -
AnimalsPeacock spider’s radiant rump comes from teeny tiny structures
Male peacock spiders have highly colored hind ends that they shake to attract females. Scientists have now figured out the physics responsible for those hues.