Ó£ÌÒÊÓƵ

Physics January 13, 2015

Inside the world's most powerful laser

The National Ignition Facility (NIF) -- a laser test facility at Lawrence Livermore National Laboratory in Livermore, Calif. -- is the world's most powerful laser. Though it faces fiscal challenges, NIF is still capable of unleashing a blast with 500 trillion watts of power. Put that another way: Five hundred terawatts is 1,000 times more power than the United States uses at any instant in time.

Planets January 13, 2015

Science predicts the far, far future: What does tomorrow hold?

No one cannot predict the future. Unless you're an astrophysicist that is. Given our knowledge of mathematics, particle physics, geology and planetary science, leading minds can paint broad strokes. Will we (humans) survive? And what will happen to the universe?