News tagged with waves

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DRAGNs in the sky

A radio galaxy is a galaxy that emits large amounts of radio waves. They were first discovered in the 1950s, but it wasn't until the 1960s when a technique known as aperture synthesis was developed that we ...

Sep 09, 2014
4.4 / 5 (9) 1

The Fickle El Nino of 2014

Prospects have been fading for an El Niño event in 2014, but now there's a glimmer of hope for a very modest comeback. Scientists warn that unless these developing weak-to-modest El Niño conditions strengthen, ...

Sep 24, 2014
5 / 5 (8) 3

Particles, waves and ants

Animals looking for food or light waves moving through turbid media – astonishing similarities have now been found between completely different phenomena.

Nov 26, 2014
4.9 / 5 (8) 0

How do liquid foams block sound?

Liquid foams have a remarkable property: they completely block the transmission of sound over a wide range of frequencies. CNRS physicists working in collaboration with teams from Paris Diderot and Rennes ...

Apr 24, 2014
4.7 / 5 (7) 2

Supernova seen in two lights

(Phys.org) —The destructive results of a mighty supernova explosion reveal themselves in a delicate blend of infrared and X-ray light, as seen in this image from NASA's Spitzer Space Telescope and Chandra ...

Aug 22, 2014
4.7 / 5 (7) 1