News tagged with wavelength

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Cassini Instrument Learns New Tricks

(Phys.org)—For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's ...

Dec 21, 2012
5 / 5 (9) 0 | with audio podcast

Shedding light on Anderson localization

Waves do not spread in a disordered medium if there is less than one wavelength between two defects. Physicists from the universities of Zurich and Constance have now proved Nobel Prize winner Philip W. Anderson's ...

Dec 20, 2012
5 / 5 (2) 2 | with audio podcast

Explosive origins for cosmic dust

(Phys.org)—The European Space Agency's Herschel Space Observatory has produced an intricate view of the remains of a star that died in a stellar explosion a millennium ago. This new view provides further ...

Dec 18, 2012
4.7 / 5 (3) 1 | with audio podcast

Video: Spurting plasma

A stream of plasma burst out from the sun, but since it lacked enough force to break away, most of it fell back into the sun (May 27, 2014).

Jun 17, 2014
4.8 / 5 (4) 0

NASA image: Giant landform on Mars

(Phys.org) —Sandy landforms formed by the wind, or aeolian bedforms, are classified by the wavelength—or length—between crests. On Mars, we can observe four classes of bedforms (in order of increasing ...

Jun 06, 2014
4.8 / 5 (4) 0

Organic photodiodes for sensor applications

Powerful, inexpensive and even flexible when they need to be, organic photodiodes are a promising alternative to silicon-based photodetectors. They are used to improve light sensitivity in cameras and to ...

May 14, 2014
5 / 5 (2) 1

Image: The solar cycle

(Phys.org) —It took 10 years to create this image of our changing Sun. Taken from space by the Solar and Heliospheric Observatory (SOHO), it shows a dramatically different picture than the one we receive ...

Apr 01, 2014
5 / 5 (11) 0