Modern diesel cars emit less pollution generally than cars that run on gasoline, says a new six-nation study published today in Scientific Reports whose groundwork was laid in part by an American chemist now working at Université ...
Environment
Jul 14, 2017
39
1036
(PhysOrg.com) -- Anyone who has ever stepped barefoot onto blacktop pavement on a hot sunny day knows the phenomenon very well: Black surfaces absorb the sun's heat very efficiently, producing a toe-scorching surface. In ...
Engineering
Oct 8, 2009
9
1
An experimental aircraft has set a record for hypersonic flight, flying more than 3 minutes at Mach 6 - six times the speed of sound.
Hi Tech & Innovation
May 27, 2010
12
0
An international team of researchers has uncovered the mechanism that allowed Volkswagen to circumvent U.S. and European emission tests over at least six years before the Environmental Protection Agency put the company on ...
Security
May 22, 2017
6
188
Great news for drivers! They can now continue to keep the air-conditioning system on during the hot sunny days even when they stop the vehicle and switch off the engine. In collaboration with Green Power Industrial Ltd, PolyU's ...
Energy & Green Tech
Oct 11, 2011
10
8
The weather often plays a role in our daily plans. You might put on a light jacket when the forecast calls for a cool breeze or delay your travel plans because of an impending storm. NASA engineers use weather data to inform ...
Space Exploration
Apr 6, 2021
4
2316
It may be hard to believe, but the beloved gasoline engine that powers more than 200 million cars across America every day didn't get its status because it's the most efficient engine. Diesel engines can be more than twice ...
Engineering
May 5, 2011
17
0
Humans depend on fossil fuels as their primary energy source, especially in transportation. However, fossil fuels are both unsustainable and unsafe, serving as the largest source of greenhouse gas emissions and leading to ...
Plasma Physics
May 5, 2020
16
737
Applying shockwaves can improve conditions for fluid mixing in supersonic combustion engines, paving the way for flights at speeds five times faster than the speed of sound.
General Physics
Jul 31, 2020
14
1480
Biochar from recycled waste may both enhance crop growth and save health costs by helping clear the air of pollutants, according to Rice University researchers.
Environment
Jul 27, 2017
0
188
