Underground explosion tested at former Nevada nuclear site


Federal researchers reported Wednesday they detonated an underground explosion comparable to nearly 2.5 tons of TNT at a vast former nuclear proving ground in the desert north of Las Vegas.

The U.S. Energy Department’s National Nuclear Security Administration said in a statement the explosion was the sixth in a series designed to test equipment and methods for detecting underground nuclear explosions. Five more blasts are planned over the next two years. Continue Reading.