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 ...
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 ...