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topography News
Wireless RoboFly Spreads Its Wings and Flies Solo
Oct 26, 2018 — Slightly heavier than a toothpick and powered by a laser beam, an insect-sized flying robot could help survey crop growth and sniff out gas leaks. These miniaturized drones, which soar by fluttering tiny wings rather than by rotating propellers, use their small size as an advantage and are fairly inexpensive to make. RoboFly — created by researchers at the University of Washington (UW) — uses a tiny onboard circuit that converts laser energy into enough electricity to operate
Laser Mapping of Greenland’s Summer Ice Melt Begins
THULE, Greenland, and GREENBELT, Md., Nov. 6, 2013 — For the first time, NASA is laser-mapping changes to the Greenland Ice Sheet produced by a single season of summer melt. The data gathered will provide a more comprehensive view of season changes and provide context for a more ambitious mapping...
Semiconductor etching monitored in real time
CHAMPAIGN, Ill. – A nondestructive optical technique that simultaneously etches features onto a semiconductor wafer’s surface while monitoring the entire process in real time with nanometer precision could change the future of semiconductor etching....
Semiconductor Etching Monitored with Light
CHAMPAIGN, Ill., Oct. 1, 2012 — An inexpensive, completely optical technique uses a special type of microscope to simultaneously etch features onto a semiconductor wafer’s surface while monitoring the entire process in real time with nanometer precision.
NASA Decides Not to Kill the MESSENGER
ANNAPOLIS, Md., Nov. 16, 2011 — NASA’s Messenger mission will live on for at least one year past its planned expiry date. The spacecraft entered orbit around Mercury, the solar system’s innermost planet, on March 18 this year, and its primary mission had been scheduled...
Lidar Mapping Revolutionizes Archaeology
ORLANDO, Fla., May 17, 2010 — Using lasers and sensors aboard a Cessna 337 aircraft, researchers from the University of Central Florida have collected 25 years worth of data in four days about ancient Maya civilizations. The NASA-funded research project used Lidar (Light...
Metrology at Mahr: Diversify
NEW YORK, June 9, 2009 – Mahr Federal Inc. knows the value of diversifying. The company, which provides dimensional measurement solutions, has a range of products on display this week at MD&M East, a medical device manufacturing trade show at the Jacob K. Javits Center...
Metrology at Mahr: Diversify, Diversify
NEW YORK, June 9, 2009 – Mahr Federal Inc. knows the value of diversifying. The company, which provides dimensional measurement solutions, has a range of products on display this week at MD&M East, a medical device manufacturing trade show at the Jacob K. Javits Center...
Applications: Soldiers Train for Real Combat Through Virtual Simulation
Jan 1, 2009 — Driving or walking the streets of Afghanistan and Iraq may be nerve-wracking for soldiers who have never before been exposed to combat activity. Ambushes and attacks with improvised explosive devices (IEDs) occur frequently, jeopardizing the safety...
New Method Detects Silicon Thin-Film Defects
GAITHERSBURG, Md., July 18, 2006 -- High-performance strained-silicon semiconductor devices have advantages over other types of semiconductors, and also a big problem: the manufacturing process can cause hard-to-find crystal defects that can bunch together and degrade the wafer's...
Lidar Satellite Resumes Data Collection
Dec 1, 2003 — NASA's Ice, Cloud and land Elevation Satellite is again collecting information on the topography of the Earth's ice sheets; the heights, thicknesses and other properties of cloud and aerosol layers; and the topography of the planet's surface. The...
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May 2024
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