Charges in Electric Fields
An electric charge in a uniform external electric field will feel a force due to that field given by, F = qE, where F is the force, q is the charge and E is the external ele...
Read more
Electric Fields and Forces
An electric field describes the region of space extending from a charged particle in which another charged particle experiences a force related to its charge. Electric field...
Read more
Japan's industrial safety agency will set up standards early
next year to protect the public from adverse health effects of
exposure to extremely low frequency magnetic fields that exist clos...
Read more
Scientists are testing seasickness patches and other surprising options in a challenging search for new ways to treat the crushing depression and uncontrolled mania of bipolar disorder.Also called ...
Read more
Scientists are casting a wide net to find better treatments for the crushing depression and uncontrolled manias of bipolar disorder, and some approaches they're testing seem pretty surprising.Like ...
Read more
For years, scientists at utilities around the country have tried to peer deep into the guts of their cities without jackhammers.They've experimented with robotic probes, ground-penetrating radar an...
Read more
Hyphenation of gas chromatography (GC) with mass spectrometry (MS) allows identification and quantification of a wide range of trace amounts of GC-amenable compounds in complex matrices. Until now,...
Read more
Get your fingers ready. Apple Inc.'s iPhone is leading a new wave of gadgets using touch-sensitive screens that react to taps, swishes or flicks of a finger. The improvements promise to be slicker ...
Read more
An elevator ride became a turning point 14 the life of inventor Granville Woods, a peer of visionaries Thomas Edison, George Westinghouse and Alexander Graham Bell.Elevators needed operators to con...
Read more