First neutrinos from outer space

First neutrinos from outer space
Neutrinos are almost invisible, but a 1-kilometer cube of ice has found 28 from beyond the solar system. Some are from other galaxies. More »

3-D printing: Wave of the future

3-D printing: Wave of the future

Layer by layer, 3-D printers fuse tiny particles of plastic or metal, building complex parts from computer instructions — forget hold More »

A new iron age?

A new iron age?

Smelters refine aluminum ore, but not iron ore, with electricity. A new electrolytic process for refining iron ore could save vast More »

Spider silk: Material of the future?

Spider silk: Material of the future?
Strong, tough, sticky, elastic and biodegradable, silk may be used for a mesh to support injured tissues, or as a temporary container More »

Nanotech

Nanotech

Adding nanotubes makes a stronger plastic, but adding several nano-structures greatly increases the benefit, according to a new study More »

Dig the latest top tech tricks

What you can’t see can still interest you. Archeologists use radar, magnetic, electrical gizmos to see through the ground, find places More »

Big ideas from the smallest world

New snowflake generator reveals nature’s design principles; anti-reflective coating is nearly perfect, and so is mother-of-pearl inside More »

Gamma Ray Bursts

Chandra links gamma-ray bursts to supernovas. What really causes these gigantic explosions? More »