California Institute of Technology

Evidence for a Martian Ocean

( —Researchers at the California Institute of Technology (Caltech) have discovered evidence for an ancient delta on Mars where a river might once have emptied into a vast ocean.

dateJul 17, 2013 in Space Exploration
shares0 comments 7

How iron feels the heat

As you heat up a piece of iron, the arrangement of the iron atoms changes several times before melting. This unusual behavior is one reason why steel, in which iron plays a starring role, is so sturdy and ubiquitous in everything ...

dateFeb 13, 2015 in Condensed Matter
shares98 comments 1