Lawrence Berkeley National Laboratory

Playback: 130-year-old sounds revealed

(PhysOrg.com) -- In the early 1880s, three inventors—Alexander Graham Bell, Chichester Bell and Charles Sumner Tainter, collectively making up the Volta Laboratory Associates—brought together their ...

Dec 15, 2011 5 / 5 (5) 7

Diamonds and dust for better cement

(PhysOrg.com) -- It's no surprise that humans the world over use more water, by volume, than any other material. But in second place, at over 17 billion tons consumed each year, comes concrete made with Portland ...

Dec 12, 2011 4.5 / 5 (2) 1 | with audio podcast