Most liquid-crystalline displays contain rod-like molecules that quickly switch from one orientation to another when subjected to electric fields. This movement creates a shutter effect that turns light on and off at high ...
Materials Science
Nov 21, 2011
1
0
For more than 100 Indian villages cut off from grid electricity, life no longer comes to an end after dark thanks to an innovative solar-powered lantern that offers hope to the nation's rural poor.
Energy & Green Tech
Oct 23, 2009
1
0
