News tagged with waves

Related topics:

New terahertz device could strengthen security

We are all familiar with the hassles that accompany air travel. We shuffle through long lines, remove our shoes, and carry liquids in regulation-sized tubes. And even after all the effort, we still wonder if these procedures ...

Nov 21, 2014
4.8 / 5 (10) 4

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
4.3 / 5 (11) 1

Will the 2014 El Nino be like 1997?

Every ten days, the NASA/French Space Agency Jason-2 satellite maps all the world's oceans, monitoring changes in sea surface height, a measure of heat in the upper layers of the water. Because our planet ...

May 20, 2014
4.6 / 5 (10) 0

New technology illuminates colder objects in deep space

Too cool and faint, many objects in the universe are impossible to detect with visible light. Now a Northwestern University team has refined a new technology that could make these colder objects more visible, paving the way ...

Jul 09, 2014
4.6 / 5 (10) 1

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 (9) 0

Era of astronomical discovery

For much of her professional life, MIT professor Nergis Mavalvala has been devoted to a singular goal: creating a device to detect gravitational waves. These ripples in the fabric of space-time—the signature ...

Jul 08, 2014
4.3 / 5 (10) 6

Catching a gravitational wave

(Phys.org) —When Albert Einstein proposed the existence of gravitational waves as part of his theory of relativity, he set in train a pursuit for knowledge that continues nearly a century later.

Jun 26, 2014
4.1 / 5 (10) 1

Solar moss shakes at 16,000 km an hour

(Phys.org) —Using a state-of-the-art ultraviolet camera, two astronomers from Northumbria University have obtained exceptionally sharp images of 'solar Moss', bright features on the Sun that may hold the ...

Jun 23, 2014
5 / 5 (8) 1