California Institute of Technology

Unique sky survey brings new objects into focus

An innovative sky survey has begun returning images that will be used to detect unprecedented numbers of powerful cosmic explosions-called supernovae-in distant galaxies, and variable brightness stars in our own Milky Way. ...

dateJun 15, 2009 in Astronomy
shares0 comments 2

Chorus of black holes radiates X-rays

Supermassive black holes do not give off any of their own light, hence the word "black" in their name. However, many black holes pull in, or accrete, surrounding material, and emit powerful bursts of X-rays. Collectively, ...

dateJul 28, 2016 in Astronomy
shares591 comments 12

Caltech engineers invent light-focusing device

(—As technology advances, it tends to shrink. From cell phones to laptops—powered by increasingly faster and tinier processors—everything is getting thinner and sleeker. And now light beams are getting smaller, ...

dateDec 07, 2012 in General Physics
shares0 comments 7