News tagged with wavelength

Related topics:

Mission studies the Sun in soft X-rays

At any given moment, our sun emits a range of light waves far more expansive than what our eyes alone can see: from visible light to extreme ultraviolet to soft and hard X-rays. Different wavelengths can ...

Mar 24, 2015
4.8 / 5 (8) 0

NIST gets new angle on X-ray measurements

Criminal justice, cosmology and computer manufacturing may not look to have much in common, but these and many other disparate fields all depend on sensitive measurements of X-rays. Scientists at the National ...

Mar 09, 2015
3 / 5 (1) 0

Nanodust particles in the interplanetary medium

Dust particles smaller than about a wavelength of light are abundant in our solar system, created by collisions between asteroids and from the evaporation of comets. As they scatter sunlight, these particles ...

Mar 09, 2015
5 / 5 (9) 4

Hidden physics make fish glitter

A theory borrowed from physics to understand how electrons move in semiconductors may explain the silvery mirror-like appearance of many fish, recent research suggests.

Feb 25, 2015
4.8 / 5 (4) 0

High-speed jets from a possible new class of galaxy

Seyfert galaxies are similar to spiral galaxies except that they have extraordinarily prominent, bright nuclei, sometimes as luminous as 100 billion Suns. Their huge energies are thought to be generated as ...

Jan 19, 2015
4.8 / 5 (13) 0

Graphene plasmons go ballistic

Squeezing light into tiny circuits and controlling its flow electrically is a holy grail that has become a realistic scenario thanks to the discovery of graphene. This tantalizing achievement is realized ...

Jan 12, 2015
4.3 / 5 (7) 2

Image: Multicoloured view of supernova remnant

Most celestial events unfold over thousands of years or more, making it impossible to follow their evolution on human timescales. Supernovas are notable exceptions, the powerful stellar explosions that make ...

Dec 22, 2014
5 / 5 (2) 0

Effects of accretion disks around newborn stars

Stars are born in dense, cool clouds of molecular gas and dust. When the local density is high enough, the matter can gravitationally collapse to form a new star, a so-called young stellar object (YSO). In ...

Dec 08, 2014
5 / 5 (10) 1