Archive: 12/6/2013

Explained: Matrices

Among the most common tools in electrical engineering and computer science are rectangular grids of numbers known as matrices. The numbers in a matrix can represent data, and they can also represent mathematical ...

Dec 06, 2013
4.8 / 5 (4) 1

First folding space telescope

The capability of orbital telescopes to see wide swaths of the earth at a time has made them indispensable for key national security responsibilities such as weather forecasting, reconnaissance and disaster ...

Dec 06, 2013
5 / 5 (6) 0

New regime in the Casimir force observed

By nanostructuring one of two interacting metal surfaces at scales below the plasma wavelength, a new regime in the Casimir force was observed by Argonne National Laboratory researchers in the Center for ...

Dec 06, 2013
3.8 / 5 (10) 2

Sandcastle-building fish offer evolution clue

(Phys.org) —In Lake Malawi, East Africa, there are around 200 different species of cichlid fish that once or twice a year build large sand structures (known as bowers) on which the fish mate. Each different ...

Dec 06, 2013
3.8 / 5 (5) 2 | with audio podcast