Latest Purpurin Stories

Researchers Make Greener Batteries From Plants
2012-12-12 13:57:57

Brett Smith for redOrbit.com - Your Universe Online We use batteries for almost every electronic device under the sun. But every point in the lifespan of these energy cells, from production to disposal, is fraught with environmental hazards. As a result, the race to develop a ℠greener´ battery is currently surging ahead and chemists from The City College of New York (CCNY), in collaboration with researchers from Rice University and the U.S. Army Research Laboratory, have...

Word of the Day
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'