California Institute of Technology

Better, stronger, lighter armor

What makes a piece of armor effective? Sure, it needs to be strong, and it should be lightweight. But what is it about a material's composition that gives it such properties? And can we develop materials that ...

May 22, 2012 3 / 5 (1) 0

Einstein's archive now available online

(PhysOrg.com) -- If you ever wanted to glimpse into Albert Einstein's thoughts, now you can. Last week, the complete catalog of about 80,000 documents written by or addressed to Einstein—letters, postcards, ...

Mar 29, 2012 4.5 / 5 (6) 7