News
- Physics
Antiglare eye black is better than tape
Black grease that athletes smear under their eyes to control the glare of the sun really helps them discern contrast; what's more, it works better than black tape, a newer antiglare aid.
- Materials Science
Miniature Motor: Nanotubes central to new rotating device
Researchers have used miniature, nested cylinders, called multiwalled carbon nanotubes, to make a motor only 300 nanometers long.
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Beyond Clots: Platelets in blood may guide immune response
Platelets, best known for their ability to create blood clots in wounds, may also have a role in the immune system.
- Astronomy
Taking the Crab’s pulse
Simultaneous recordings of a pulsar's radio emissions and its visible beam shed new light on the seemingly chaotic variations in the intensities of those emissions.
