California Institute of Technology

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 ...

Feb 13, 2015
4.9 / 5 (16) 1

A 3-D model of stellar core collapse

(Phys.org) —What happens when massive stars collapse? One potential result is a core-collapse supernova. Astronomers can make observations of such events that tell us what is happening on the surface of ...

May 02, 2014
5 / 5 (15) 0

Pushing microscopy beyond standard limits

Engineers at the California Institute of Technology (Caltech) have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms ...

Jul 29, 2013
4.6 / 5 (16) 0 | with audio podcast