Getting the most out of gemstones

Emeralds, rubies and the like are referred to as colored gemstones by experts. They sparkle and shine with varying intensity, depending on the cut. A new machine can achieve the best possible cut and extract up to 30 percent ...

Brain on a chip?

(PhysOrg.com) -- How does the human brain run itself without any software? Find that out, say European researchers, and a whole new field of neural computing will open up. A prototype 'brain on a chip' is already working.

page 2 from 2