News tagged with radar reflections
Ghost alps of Antarctica are glimpsed after 14 million years
Space & Earth / Earth Sciences
Jun 03, 2009 |
3.6 / 5 (18) |
2
Millions of years ago, rivers ran in Antarctica through craggy mountain valleys that were strangely similar to the European Alps of today, Chinese and British scientists reported on Wednesday.
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Small bit of a CMOS chip holds 2-D through-the-walls radar imager
Feb 04, 2008 |
4.7 / 5 (15) |
0
Two researchers from the USC Viterbi School of Engineering have created a send/receive chip that functions as an active array, sending out a matrix of 49 simultaneous ultrawideband radar probe beams and picking up the returned ...
Pigs learn to understand mirrors
Oct 09, 2009 |
4.2 / 5 (9) |
2
(PhysOrg.com) -- A study of domesticated pigs has found that with just a little experimentation they can find food based only on a reflection in a mirror.
Evidence of vast frozen water reserves on Mars: scientists
Space & Earth / Space Exploration
Nov 20, 2008 |
4.5 / 5 (31) |
2
Vast Martian glaciers of water ice under protective blankets of rocky debris persist today at much lower latitudes than any ice previously identified on Mars, says new research using ground-penetrating radar ...
Radar Map of Buried Mars Layers Matches Climate Cycles
Space & Earth / Space Exploration
Sep 22, 2009 |
4.3 / 5 (7) |
1
(PhysOrg.com) -- New, three-dimensional imaging of Martian north-polar ice layers by a radar instrument on NASA's Mars Reconnaissance Orbiter is consistent with theoretical models of Martian climate swings ...
A road of no return: Team implements the first '1-way roads' for light
Oct 08, 2009 |
4.7 / 5 (21) |
2
Light readily bounces off obstacles in its path. Some of these reflections are captured by our eyes, thus participating in the visual perception of the objects around us. In contrast to this usual behavior ...
Can radar be used to deter bats from approaching wind turbines?
Jul 16, 2009 |
5 / 5 (1) |
1
(PhysOrg.com) -- Large numbers of bats are killed by colliding with turbine blades or by experiencing sudden depressurisation immediately adjacent to the blade.
Triple Asteroid System Triples Observers' Interest
Space & Earth / Space Exploration
Aug 06, 2009 |
4.8 / 5 (8) |
4
(PhysOrg.com) -- Radar imaging at NASA's Goldstone Solar System Radar on June 12 and 14, 2009, revealed that near-Earth asteroid 1994 CC is a triple system. Asteroid 1994 CC encountered Earth within 2.52 million ...
Scientist proposes explanation for puzzling property of night-shining clouds at the edge of space
Sep 25, 2008 |
4.5 / 5 (24) |
2
An explanation for a strange property of noctilucent clouds--thin, wispy clouds hovering at the edge of space at 85 km altitude--has been proposed by an experimental plasma physicist at the California Institute of Technology ...
Britain shuts down UFO-hunting unit
Dec 04, 2009 |
3.8 / 5 (5) |
5
The British government has shut a unit which has investigated UFO sightings for more than 50 years, judging its resources better spent on more earthly threats, it said Friday.
New radar helps monitor site of century-old tragedy
Space & Earth / Earth Sciences
Nov 27, 2009 |
not rated yet |
0
(PhysOrg.com) -- A University of Alberta researcher has turned the site of a southern Alberta rockslide tragedy into the proving ground for new equipment meant to avert such a disaster in the future.
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