Can't see them, can't feel them, but know they exist

Neutrino - the ghost particle

Neutrinos are a leptons, an elementary particle. They do not have electric charge, and they interact with matter via the weak nuclear force.The weakness of the weak force gives neutrinos the property that matter is almost transparent to them. For the over a half a century scientists believed that neutrinos are massless, and that they travel at the speed of light... full story


By MARIJA MITROVIĆ
from Belgrade, SERBIA

Gadgets

IPod and Vacuum Tubes, in a Warm Duet

Roth Audio, a company based in Reading, England, has developed the Cocoon MC4, a compact docking station and amplifier topped by four vacuum tubes that glow when the power is on. Pop an iPod into the dock, and you have an odd couple: The iPod, the epitome of the slim, portable and digital, and the flanking vacuum tubes that are fat, stationary and utterly analog... full story


By ANNE EISENBERG
Source: The New York Times