Railgun — A railgun is a purely electrical gun that accelerates a conductive projectile along a pair of metal rails using the same principles as the homopolar motor.Railguns use two sliding or rolling contacts [http://www.youtube.com/watch?v=M0YRslyGiOI… … Wikipedia
Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes … Wikipedia
Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… … Wikipedia
Mass driver — For fictional mass drivers, see List of electromagnetic projectile devices in fiction. Artist s conception of a mass driver for lunar launch A mass driver or electromagnetic catapult is a proposed method of non rocket spacelaunch which would use… … Wikipedia
Nanotube de carbone — Réprésentation d un nanotube de carbone. (cliquer pour voir l animation tridimensionnelle) … Wikipédia en Français
Nanotubes de carbone — Nanotube de carbone Animation tridimensionnelle d un nanotube de carbone … Wikipédia en Français
Robotic surgery — A robotically assisted surgical system used for prostatectomies, cardiac valve repair and gynecologic surgical procedures Robotic surgery, computer assisted surgery, and robotically assisted surgery are terms for technological developments that… … Wikipedia
Gene therapy — using an Adenovirus vector. A new gene is inserted into an adenovirull. If the treatment is successful, the new gene will make a functional protein. Gene therapy is the insertion, alteration, or removal of genes within an individual s cells and… … Wikipedia
List of aerospace engineering topics — This page aims to list all articles related to the specific discipline of aerospace engineering. For a broad overview of engineering, see List of engineering topics. For biographies, see List of engineers.compactTOC NOTOC AAblation cascade… … Wikipedia
Asteroid-impact avoidance — Planetary defense redirects here. For defending against alien invasion in fiction, see alien invasion. Artist s impression of a major impact event. The collision between Earth and an asteroid a few kilometres in diameter releases as much energy… … Wikipedia