Powered exoskeleton — The exhibit future soldier , designed by the US Army A powered exoskeleton, also known as powered armor, or exoframe, is a powered mobile machine consisting primarily of an exoskeleton like framework worn by a person and a power supply that… … Wikipedia
High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… … Wikipedia
Objective (optics) — Several objective lenses on a microscope. In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or… … Wikipedia
Beam-powered propulsion — is a class of spacecraft propulsion mechanisms that use energy beamed to the spacecraft from a remote power plant. Most designs are rocket engines where the energy is provided by the beam, and is used to superheat propellant that then provides… … Wikipedia
Jericho, Kansas (fictional town) — Jericho, Kansas, a fictional town, is the setting of the CBS TV series Jericho . It is described as being located in the fictitious Fillmore County , east of Denver, Colorado, close to the Colorado border. Parts of the show were filmed in the… … Wikipedia
Phoenix Lights — [cite news |first=Richard |last=Price |authorlink= |coauthors=|format=pdf |title=Arizonans say the truth about UFO is out there |url=http://www.ufosnw.com/history of ufo/phoenixlights1997/usatodayarticle06181997old.pdf |work= |publisher=USA Today … Wikipedia
Bicycle lighting — has two purposes: seeing and being seen. There are many types of bicycle lights available, each with its own advantages and disadvantages. There is no one best solution for any rider, and many riders mix and match different technologies to… … Wikipedia
Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment … Wikipedia
Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans … Wikipedia
Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… … Wikipedia
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium