All today's commercial drones use GPS, which works fine above building roofs and in high altitudes. But what, when the drones have to navigate autonomously at low altitude among tall buildings or in the dense, unstructured ...
Engineering
Jan 23, 2018
0
349
Forest fires and wildland fires are common in summer in the temperate boreal forest, rarer at high altitudes, and unheard of in an ice age at high altitudes - until now. Evidence of wildfires dating back 20,000 years was ...
Environment
Sep 14, 2017
0
8
For the first time in 99 years, a total solar eclipse will crossthe entire nation on Monday, August 21, 2017. Over the course of 100 minutes, 14 states across the United States will experience over two minutes of darkness ...
Space Exploration
Jun 5, 2017
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4
The psychedelic clouds in Edvard Munch's iconic "The Scream" have alternatively been interpreted as a metaphor for mental anguish or a literal depiction of volcanic fallout.
Earth Sciences
Apr 24, 2017
2
33
(Phys.org)—A combined team of researchers from the University of Queensland in Australia and Wenzhou Medical University in China has identified some of the genes common to people living in Tibet that are different than ...
What would it be like to actually land on Pluto? This movie was made from more than 100 images taken by NASA's New Horizons spacecraft over six weeks of approach and close flyby in the summer of 2015. The video offers a trip ...
Space Exploration
Jan 20, 2017
2
1405
Expecting a spike in drone sales for Christmas, Canada's transportation ministry on Wednesday launched an online hotline to report bad drone pilots.
Other
Dec 21, 2016
1
8
Hummingbirds' ability to accelerate and turn diminishes at high altitudes, but it isn't a lack of oxygen to the body that limits the birds' performance—it's physics.
Plants & Animals
Dec 8, 2016
0
286
These colourful swirls depict an unprecedented storm that played out in the northern hemisphere of the gas giant Saturn from December 2010 until June 2011.
Space Exploration
Dec 5, 2016
0
5
At high altitudes, frogs and toads are being infected by a deadly chytrid fungus at increasingly high rates in the Pyrenees Aspe Valley, France. The spike in mortality of these toads is blamed on warming in these mountains, ...
Plants & Animals
Oct 24, 2016
1
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