Tops on my home-entertainment wish list is the experience recorder invented by physicists played by Louise Fletcher and Christopher Walken in Douglas Trumball's Brainstorm. Such a gadget is highly fanciful (and likely to be co-opted by the milita...

It's hard to tell what the universe looks like, especially since it takes billions of years for the light from most of it to reach us. It's even more difficult to visualize the 70% of the matter in the universe that's invisible. That...

As NASA readies the Ares 1-X test rocket, a commission of experts appointed by the president says hold everything. NASA should forget about going to the moon for now, and land humans on a nearby asteroid or comet, or one of the two moons of Mars, say...

Increasingly popular head-up displays aren't only for BMWs, Corvettes , Cadillacs, and F-16 jets. Light Blue Optics is making the tech more practical, creating a new projection device that's so small, it'll fit in a car's side mirror....

To effectively gather electricity from wind power, you need a strong breeze going. Along those lines, a company called KiteGen Research figures that wind currents only get strong the higher you go — so why not just go up to 2,600 feet? It kind...