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Energy News
Lasers Improve Uranium Enrichment
Oct 1, 1997 — LIVERMORE, Calif. -- Nuclear energy provides about 20 percent of the electricity used in the US, but separating uranium isotopes for power generation has been a power-hungry task itself -- until lasers offered a new method. To fuel nuclear reactors, enriched uranium containing between 3 percent and 5 percent of the U-235 isotope must be extracted from uranium oxide that contains natural levels of 0.7 percent U-235. The traditional extraction techniques, gaseous diffusion and gas centrifuge, are...
Holographic Camera Users Wanted
Sep 1, 1997 — MD Diffusion of Schiltigheim, France, is looking for volunteers who use holographic cameras to test the company's new silver-halide (AgBr) emulsion films. The company's goal is to develop the halide films, which offer fine-grain emulsion, and...
Microspectroscopy:
Sep 1, 1997 — Imagine watching a single chemical bond be created or broken, examining a crystalis molecular arrangement or seeing the molecular distribution of lipids, proteins, and minerals in clogged arteries. Increasingly, this is the kind of work that...
Spacecraft has rendezvous with asteroid
Aug 1, 1997 — More than 100 years after its discovery, scientists at Johns Hopkins University's Applied Physics Laboratory in Laurel, Md., finally got a close view of asteroid 253 Mathilde. Asteroid 253 Mathilde ( left) reflects only percent of the sun's...
NIF Breaks Ground
Jul 1, 1997 — At a ceremony attended by US Secretary of Energy Federico Peña, ground was broken for the National Ignition Facility, the centerpiece of a program to maintain the US nuclear arsenal without nuclear testing.The $1.2 billion facility at...
Samarium Laser Emits X-Rays
Jul 1, 1997 — A group of British scientists successfully demonstrated the operation of a saturated nickel-like samarium x-ray laser beam at 7 nm with an output energy of 0.3 mJ in 50-ps pulses. The narrow divergence, short wavelength and pulse duration and...
Corning Completes Telescope Mirror Blank
Jun 1, 1997 — Corning Incorporated has delivered the second of two mirror blanks for the GEMINI project telescope, a multinational collaboration including the US, UK, Canada, Chile, Argentina and Brazil. The mirror blank measures more than 26 ft in diameter and...
Photodetector Module Helps Monitor Magnetic Fusion
Jun 1, 1997 — For years, research scientists had had trouble navigating the cramped electronics hall at San Diego's DIII-D magnetic fusion facility. Packed with electronic and data-acquisition equipment, the hall had very little room for the large electronics...
DoE Counters Fusion Facility Injunction
May 1, 1997 — LIVERMORE, Calif. -- The US Department of Energy (DoE) has asked a federal district court judge to remove an injunction that keeps the agency from using a report on the technical feasibility of the National Ignition Facility. An attorney for the...
Laser Machines Microthrusters
May 1, 1997 — LOS ANGELES -- As part of a program to create a mass-producible nanosatellite, scientists at the Aerospace Corp. are developing batch material processing techniques that use UV lasers to create complicated 3-D micro- and mesoscale structures in...
Fast, High-Resolution Cameras Image the Sun's Surface
Apr 1, 1997 — To the average person, the sun is a celestial body around which the Earth and other planets revolve. It's a source of warmth and light. Many don't realize that the sun is a star, and an interesting one at that. But researchers at the Big Bear Solar...
Judge Issues Injunction Against DOE's National Ignition Facility
Apr 1, 1997 — WASHINGTON -- In December 1996, Thomas Cochran, director for the Natural Resources Defense Council, smelled something foul about the National Academy of Sciences' technical review of the proposed $1.1 billion National Ignition Facility. Three months...
Nippon Electric Awards Solar Contract
Apr 1, 1997 — CHATSWORTH, Calif. -- Japan's Nippon Electric Co. has awarded the contract for Solar Array Drive Assemblies and the associated electronics for its Optical Interorbit Communications Engineering Test Satellite program to Schaeffer Magnetics Inc. The...
Solar-Powered Camera Focuses on Eagles
Apr 1, 1997 — Northeast Utilities and the Massachusetts Div. of Fisheries and Wildlife have been working together since 1989 to protect and nurture a nest of bald eagles at Barton Cove, in Gill, Mass., one of only nine known nests in the state. There are five in...
On-Line Inspection System Produces 99% Satisfaction
Mar 1, 1997 — The thought of inspecting a million cans of food a day -- almost 700 cans per minute -- is daunting even with the advantages of today's high-speed automation. And when you add to the job a goal of 99 percent overall product quality and production...
Research Firm Targets More Efficient, Cheaper Satellite Solar Cells
Feb 1, 1997 — Essential Research Inc. of Cleveland is working on a high-efficiency, radiation-resistant solar cell to provide satellite power. The company plans to grow durable, inexpensive, high-quality indium phosphide solar cells on germanium substrates. The...
Laser Fusion: An Old Dream Nears Realization
Jan 1, 1997 — When completed in 2002, the National Ignition Facility will culminate more than a decade of research on laser ignition: the controlled implosion of a small, hydrogen-isotope-filled target by laser beams of sufficient energy and quality to create...
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