California Institute of Technology

Caltech engineers build smart petri dish

The cameras in our cell phones have dramatically changed the way we share the special moments in our lives, making photographs instantly available to friends and family. Now, the imaging sensor chips that ...

Oct 03, 2011
4.6 / 5 (5) 1 | with audio podcast

A hint of Higgs: An update from the LHC

The physics world was abuzz with some tantalizing news a couple of weeks ago. At a meeting of the European Physical Society in Grenoble, France, physicists -- including some from Caltech -- announced that ...

Aug 16, 2011
4.6 / 5 (36) 57 | with audio podcast

Disorder is key to nanotube mystery

Scientists often find strange and unexpected things when they look at materials at the nanoscale -- the level of single atoms and molecules. This holds true even for the most common materials, such as water.

Aug 12, 2011
4.9 / 5 (9) 3 | with audio podcast

One-way transmission system for sound waves

While many hotel rooms, recording studios, and even some homes are built with materials to help absorb or reflect sound, mechanisms to truly control the direction of sound waves are still in their infancy. ...

Jul 26, 2011
4.6 / 5 (8) 5 | with audio podcast