The federal government’s ban on incandescent light bulbs took effect on Tuesday, more than a decade and a half after such a rule was first proposed intending to promote energy efficiency. A federal ...

The coherer effect is a phenomenon in which contact resistance rapidly decreases due to electrical breakdown of the contact film. This coherer effect can be easily confirmed using aluminum foil or a ...

Aug. 2 (UPI) --The United States has pulled the plug on incandescent light bulbs as a new ban went into effect Tuesday, forcing Americans to buy more efficient LEDs to save energy and cut carbon ...