News tagged with wavelengths of light

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Scientists engineer novel DNA barcode

Much like the checkout clerk uses a machine that scans the barcodes on packages to identify what customers bought at the store, scientists use powerful microscopes and their own kinds of barcodes to help ...

Sep 24, 2012
5 / 5 (3) 0 | with audio podcast

Interstellar dust and the sun

(Phys.org)—The space between stars is not empty. It contains copious but diffuse amounts of gas and dust; in fact about 5-10% of the total mass of our Milky Way galaxy is in interstellar gas. About 1% of ...

Nov 12, 2012
5 / 5 (3) 17 | with audio podcast

Why are so many fairy-wrens blue?

(Phys.org)—Researchers have long tried to explain the enormous diversity in colour of birds, and a new study is giving insights into why the humble fairy-wren, a colourful Australian bird, is radiantly ...

Nov 01, 2012
4.7 / 5 (3) 0 | with audio podcast

Young stars flicker amidst clouds of gas and dust

(PhysOrg.com) -- Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope. ...

Feb 29, 2012
5 / 5 (2) 3 | with audio podcast

Deep-sea crabs grab grub using UV vision

(Phys.org)—Crabs living half-a-mile down in the ocean, beyond the reach of sunlight, have a sort of color vision combining sensitivity to blue and ultraviolet light. Their detection of shorter wavelengths ...

Sep 06, 2012
5 / 5 (2) 1 | with audio podcast

A multi-wavelength view of radio galaxy Hercules A

(Phys.org)—Spectacular jets powered by the gravitational energy of a super massive black hole in the core of the elliptical galaxy Hercules A illustrate the combined imaging power of two of astronomy's ...

Nov 29, 2012
5 / 5 (2) 51 | with audio podcast