What Americans should fear in cyberspace

A recent Pew poll found that Americans are more afraid of a cyber attack than they are of Iranian nuclear weapons, the rise of China or climate change. Such fears are not only out of proportion to risk; if they take hold, ...

New cyber-attack model helps hackers time the next Stuxnet

Of the many tricks used by the world's greatest military strategists, one usually works well – taking the enemy by surprise. It is an approach that goes back to the horse that brought down Troy. But surprise can only be ...

Testing virtual nuclear stockpiles

In 2010 the Pentagon revealed it had a total of 5,113 warheads in its nuclear stockpile, down from a peak of 31,225 at the height of the Cold War in 1967.

3-D Earth model more accurately pinpoints explosions

During the Cold War, U.S. and international monitoring agencies could detect nuclear tests and measure their size. Today, they seek to pinpoint much smaller explosives tests. Under the sponsorship of the National Nuclear ...

Laser fusion experiment yields record energy

(Phys.org) —In the early morning hours of Aug.13, Lawrence Livermore's National Ignition Facility (NIF) focused all 192 of its ultra-powerful laser beams on a tiny deuterium-tritium filled capsule. In the nanoseconds that ...

Science is harnessing shock waves to create new materials

(Phys.org) —Researchers at Purdue University are part of a national effort to develop new materials having super strength and other properties by using shock waves similar to those generated by meteorites striking the Earth.

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