Prior to the mid-18th century, it was tough to be a sailor. If your voyage required east-west travel, you couldn't set out to a specific destination and have any real hope of finding it efficiently.
General Physics
Jun 25, 2015
1
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Climate scientists are gleaning valuable information about snowfall and droughts from errant satellite signals once considered a nuisance.
Earth Sciences
Jan 9, 2015
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60
(Phys.org)—Dark energy is an unknown form of energy that is proposed to drive the accelerated expansion of the universe. A new study by University of Georgia professor Edward Kipreos suggests that changes in how people ...
General Physics
Dec 30, 2014
208
5
(Phys.org) —It was an interesting time for physics last week as one team of researchers suggested that elusive dark matter may be detected with GPS satellites. They propose testing the idea that dark matter is arranged ...
The everyday use of a GPS device might be to find your way around town or even navigate a hiking trail, but for two physicists, the Global Positioning System might be a tool in directly detecting and measuring dark matter, ...
General Physics
Nov 17, 2014
12
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A new Global Positioning System (GPS) satellite has been launched into space.
Space Exploration
Aug 2, 2014
2
0
A Delta 4 rocket has lifted off from Cape Canaveral carrying a GPS satellite.
Space Exploration
May 17, 2014
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0
The spotting of ocean debris by satellites during the search for the lost Malaysian airliner has drawn attention to those orbiting platforms. A primer on what's in orbit, with help from Nicholas Johnson, who retired Thursday ...
Space Exploration
Mar 27, 2014
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(Phys.org) —ESA's completion of a pair of dedicated ground stations at opposite ends of Europe has enabled Galileo satellites in orbit to participate in global testing of the Cospas–Sarsat search and rescue system.
Space Exploration
Oct 9, 2013
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0
Navigation devices used by blind people today lack the ability to operate indoors and other areas where GPS is not available, and are unable to help the user deal with items that aren't part of maps, such as crowds and cars. ...
Engineering
Sep 25, 2013
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