News tagged with shock waves

Related topics:

Flipping a photonic shock wave

A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...

Nov 02, 2009 4.2 / 5 (5) 1

A Galaxy Collision in Action

This beautiful image gives a new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located about 280 million light years from Earth. The curved, light blue ridge running ...

Jul 09, 2009 4.7 / 5 (10) 2

Comet impact theory disproved

New data, published today, disproves the recent theory that a large comet exploded over North America 12,900 years ago, causing a shock wave that travelled across North America at hundreds of kilometres per hour and triggering ...

Jan 26, 2009 3.1 / 5 (10) 6