"Sandia National Labs has accelerated a small plate from zero to 76,000 mph in less than a second ( Read more... )

Made with common household items. Truly cool ( Read more... )

"The US Army hopes, within a few years, to deploy a plasma shield - a machine that generates a protective screen of dazzling mid-air explosions - to stun and disorient an enemy."http://www.newscientisttech.com/article/ ( Read more... )