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Energy News
Laser Mapping Shows Red Planet’s True Dimensions
Jul 1, 1999 — The first 3-D map of Mars reveals that the planet has some of the highest, lowest and smoothest land forms in the solar system. The map was generated using a laser altimeter aboard NASA’s Mars Global Surveyor, which reached Mars in 1997 and began its scientific tasks last year. Surface elevations were determined by firing IR laser pulses and calculating time of flight. The map reveals a surface of extreme highs and lows, with a 20-mile difference between the highest and...
New Method Looks Inside Living Cells
STANFORD, Calif. -- STANFORD, Calif. -- Many chemical reactions occurring in living organisms are both fast (in the microsecond to millisecond range) and spatially confined. Viewing biochemical processes in volumes from zeptoliters to femtoliters (1021 to 1015 liters)...
Tabletop Laser Sparks Nuclear Fusion
LIVERMORE, Calif. — Researchers at Lawrence Livermore National Laboratory have demonstrated that big things can come from small packages. The scientists used a tabletop laser to ignite nuclear fusion in a gas jet of deuterium, an isotope of hydrogen. This successful...
UV Telescope Reveals Sun's Far Side
Jun 29, 1999 — PARIS, France, June 29 -- Scientists say that they now can peek around the Sun and predict whether solar storms on its far side will shortly appear on the side facing the Earth, thanks to an UV telescope aboard a European spacecraft. The Solar Wind...
Hot or Hype?
Jun 1, 1999 — Some recent ’breakthroughs’ look a lot like some old technology that works just fine to keep cars and solar cells cool. What would you do if you had a "perfect mirror" -- one that would reflect nearly 100 percent of the incident light at...
Joint Partnership to Build Precision Optics for NIF
May 20, 1999 — SAN JOSE, Calif., May 20 -- Silicon Valley Group (SVG) and Lawrence Livermore National Laboratory (LLNL) have established a precision optics manufacturing center for the US Department of Energy's National Ignition Facility (NIF). The center, located...
NASA Scientists' Software Improves Video Quality
May 5, 1999 — HUNTSVILLE, AL, May 5 -- NASA scientists have developed software technology that improves analysis of crime scene video. The technology also may prove useful in such applications as medical imaging, scientific applications and home video. A...
IR Spectroscopy Analyzes Polycyclic Aromatic Hydrocarbons
May 1, 1999 — Scientists have tried for years to identify the matter that exists between stars. Now a Stanford University research team may be closer to reaching that goal. The group exposed polycyclic aromatic hydrocarbons in ice to ultraviolet radiation under...
Sky-Bound Lidar Offers Tool for Weather Projections
BOULDER, Colo. -- BOULDER, Colo. -- Weather forecasting is getting a helping hand as scientists develop systems that take lidar to the sky. Projects such as the Multicenter Airborne Coherent Atmospheric Wind Sensor and the Space Readiness Coherent Lidar Experiment...
Astronomers Discover New Solar System
Apr 19, 1999 — WASHINGTON, DC, April 19 -- Scientists have discovered the first solar system outside our own, with three massive planets orbiting a Sun-like star. Astronomers from California, Arizona, Massachusetts and Australia have concluded that three giant gas...
Imaging Satellite to Monitor Earth's Health
Apr 7, 1999 — HOUSTON, TX, April 7 -- On April 15 NASA will deploy Landsat 7, the first major satellite in a program to check the health of the Earth and understand the complex interactions that drive global change. Every 16 days, Landsat 7 will fly over and...
Photographic Technique Assists Laser Fusion Experiments
Mar 31, 1999 — HUNTSVILLE, Ala., March 31 -- An old photographic technique is helping scientists on the cutting edge of laser research. The Astrophysics Branch in the Space Sciences Laboratory at NASA's Marshall Space Flight Center is providing photographic...
Rugged Interferometer Built for Spaceflight
Mar 1, 1999 — Some things just aren't made for this earthly existence. Scientists at the University of California at Irvine hope to prove that growth of macromolecular protein crystals and large biological molecules from solution improves in the absence of...
Volcanic Gas Measured at a Safe Distance
Mar 1, 1999 — Volcanic gases offer important clues to atmospheric and subsurface processes, but methods that have proved safe have not proved easy. Scientists using ground-based IR remote-sensing techniques to analyze volcanic plume gases must often contrive...
CO2 Laser Gives Edge to Tube-Cutting Robot
Feb 1, 1999 — Motoman Inc., a manufacturer of robotic solutions for industrial applications, designed its new TubeStar robot to produce high output of cut metal tubing at low operating costs. This sort of production formula suggests a photonics solution, and as...
New Coatings Break Reflectivity Barriers
Feb 1, 1999 — Researchers at the Massachusetts Institute of Technology have discovered a class of dielectric coatings that can reflect a broad wavelength regime over a wide angular range. Professor John D. Joannopoulos and his colleagues discovered the reflective...
Scientists Uncover Mysteries of Hydrogen Using Nova
Feb 1, 1999 — Scientists have wondered why Saturn appears younger than the rest of the planets in the solar system. Now they may be closer to understanding the structure and evolution of far-off planets, thanks to Lawrence Livermore National Laboratory's...
Imaging Spectrometer Improves Auroral Understanding
Jan 1, 1999 — Researchers at the University of Illinois are taking a fresh look at auroras. They have developed an imaging spectrometer that allows them to study auroral emissions as a function of altitude, offering them more clues about the effects of the solar...
Researchers Alter Rare-Earth Metals
Jan 1, 1999 — Researchers from Vrije University have created an optical method of monitoring the hydrogen navigation that makes an yttrium film switch from reflective to transparent. The method should simplify work for other researchers seeking materials for...
System Measures Efficiency of Solar Cells
Jan 1, 1999 — Physicists at the Netherlands Energy Research Foundation have developed a technique to measure imperfections in solar cells. That information points the way to more efficient and cost-effective solar cells. As light strikes a solar cell, it produces...
Interferometer Lights Path in Search for Distant Planets
Dec 1, 1998 — Scientists at the University of Arizona's Steward Observatory have demonstrated principles that could allow the direct detection of Earth-like planets around distant stars. The 10-µm emission of a gas cloud around Betelgeuse becomes visible...
Laser Interactions Create Powerful Magnetic Fields
Dec 1, 1998 — Intense laser pulses, which possess strong magnetic and electric fields, can force the electrons in a plasma to oscillate dramatically. It is this unique interaction, which also produces very high current electron jets, that has fascinated...
Space Mirror to Light up the North
Nov 1, 1998 — In February, night may become more like day in some cities across the Northern Hemisphere, as cosmonauts aboard the space station Mir deploy a giant, 25-m reflector and direct its light Earthward. The light could be as much as 10 times brighter than...
UK College Receives Space Simulator
Nov 1, 1998 — To calibrate a satellite device that will be used for detecting infrared emissions and solar radiation from space, a team of researchers from Imperial College in London has received a space simulator system from Kurt J. Lesker Co. Ltd. of Hastings,...
Integrated Components Trim NASA Budgets
Oct 1, 1998 — Space exploration at the beginning of the next century will balance tight budgetary constraints against the need to understand our planetary environment. New technologies introduced in NASA's New Millennium program are designed to ensure that more...
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