News tagged with dust

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Experts cast doubt on Big Bang bolstering discovery

Astrophysicists are casting doubt on what just recently was deemed a breakthrough in confirming how the universe was born: the observation of gravitational waves that apparently rippled through space right ...

Jun 14, 2014
4.1 / 5 (31) 43

Violent birth announcement from an infant star

(Phys.org) —This Hubble image shows IRAS 14568-6304, a young star that is cloaked in a haze of golden gas and dust. It appears to be embedded within an intriguing swoosh of dark sky, which curves through ...

Jun 06, 2014
5 / 5 (4) 0

Measuring fine dust concentration via smartphone

Big cities in the smog: Photos from Beijing and, more recently, Paris clearly illustrate the extent of fine dust pollution. But what about our direct environment? What is the pollution concentration near ...

May 26, 2014
5 / 5 (4) 0

Deformable mirror corrects errors

Very high power is needed to cut or weld using a laser beam. But this creates its own problem: the beam's energy deforms the mirrors that are focusing it to a point. When this happens, the beam expands and ...

May 14, 2014
5 / 5 (7) 1