News tagged with particle radiation

Earth is getting dustier, model suggests

(PhysOrg.com) -- If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills. The amount of dust in the Earth's atmosphere has doubled over the last century, according ...

Jan 05, 2011 4.5 / 5 (11) 6 | with audio podcast

Magnetic fields on O-Class stars

The primary method by which astronomers can measure magnetic field strength on stars is the Zeeman effect. This effect is the splitting of spectral lines into two due to the magnetic field's effect on the ...

Dec 20, 2010 5 / 5 (2) 0

NPL builds long range alpha detector

The UK's National Physical Laboratory (NPL) has developed a new portable radiation detector that can assess the safety of potentially contaminated areas far quicker than current methods. The prototype was ...

Nov 01, 2010 5 / 5 (2) 0