Under pressure from frequent flyers alarmed over climate change, the airline industry says it is "hellbent" on reducing emissions—but the technology needed to drastically reduce its carbon footprint is still out of reach.
Environment
Jun 09, 2019
22
454
Russia and China have recently touted their progress in developing hypersonic vehicles, which fly much faster than the speed of sound, which is 767 mph. Hypersonic missiles are rocket-boosted to high altitude and may be launched ...
Engineering
May 01, 2019
0
10
Dust doesn't just accumulate under your bed. It can also travel for thousands of kilometers, across continents and oceans.
Earth Sciences
Apr 29, 2019
0
126
An international team led by Japanese scientists has generated significant findings that highlight the impact of high-latitude dust on the conversion of water droplets in clouds into ice—or glaciation—within low-level ...
Earth Sciences
Mar 25, 2019
0
27
Scientists in Peru have removed small green algae from polluted lakes and rivers in a bid to strengthen them with nutrients and oxygen before returning them to purify those water bodies from harmful mining waste.
Environment
Mar 14, 2019
0
25
With the continuous improvement of efficiency and stability, perovskite solar cells are gradually approaching practical applications. PSCs may show the special application in space where oxygen and moisture (two major stressors ...
Energy & Green Tech
Mar 13, 2019
0
9
"They eat and sleep while they are airborne. This is something that researchers have believed since the 1950s, and now we can show that it's true", says Anders Hedenström, professor at the Department of Biology at Lund University.
Ecology
Mar 06, 2019
0
78
Airborne Wind Energy Systems (AWES) are a new kind of technology to harvest wind energy. The expensive and heavy tower and rotor of a conventional wind turbine are replaced by a light tether and an aircraft (flexible giant ...
Engineering
Feb 20, 2019
0
29
A startup that plans to use high-altitude balloons to deploy rockets has successfully fired a test launch, moving closer to its goal of helping end the backlog of microsatellites that wait months or longer to "hitch" a ride ...
Engineering
Feb 13, 2019
0
4
Testing a candidate design for a subsonic parachute to slow a future mission to Mars inside Canada's National Research Council wind tunnel, in Ottawa.
Space Exploration
Jan 16, 2019
0
14
