Quantcast
Last updated on April 16, 2014 at 17:34 EDT

Latest Christopher Cantalupo Stories

d64100e3c998029052a0a887b8983266
2010-02-04 08:15:00

To map our home planet, Google Earth depends mostly on satellite imagery for land surfaces and sonar imagery for the sea floor. Maps of the Universe likewise depend on different kinds of detectors for different kinds of features. Maps of the cosmic microwave background (CMB), for example, depend on measuring minute differences in the temperature of the sky. When astrophysicist Julian Borrill came to Berkeley Lab's National Energy Research Scientific Computing Center (NERSC) in 1997, his first...