The fact that like charges repel and opposites attract is basic electromagnetism. But for decades scientists have occasionally made a counterintuitive, and controversial, observation: similarly ...
In 1820, Hans Christian Oersted gave a demonstration on electricity to a class of advanced students at the University of Copenhagen in Denmark. Using an early battery prototype, he looked to see what ...
Blacksburg, Va., March 23, 2003 -- Tracy L. Cail, a Ph.D. student in geological sciences at Virginia Tech, is developing a new method for calculating sticking efficiency at the nanoscale with the aim ...
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