Diamonds are forever, except when they oxidize while cutting through iron, cobalt, nickel, chromium, or vanadium at high temperatures.
Diamond and cubic boron nitride combine to create superhard material
Forum attracts clean energy start-ups
Thirty clean energy companies will present their business cases to a panel of investors and industry experts Nov. 3-4 in Denver, Colorado, as the Energy Department’s National Renewable Energy Laboratory (NREL) hosts its annual Industry Growth Forum.
What’s in a football helmet?
Football is back, and with all the hard hits and tough tackles come renewed concerns about safety.
The History of the United States Capitol
Video history of the Capitol building.
United States Capitol Dome Restoration
Did you know that the dome of the U.S. Capitol building in Washington is made of nine million pounds of cast iron?