Asphalt is a near-ubiquitous substance—it's found in roads, on roofs and in driveways—but its chemical emissions rarely figure into urban air quality management plans.
Environment
Sep 2, 2020
4
570
(Phys.org)—Look what an Australian designer would like us to roll with in a no-emissions future: A motorcycle powered by nothing but air. Adding to a growing portfolio of ideas centered around compressed-air engines, this ...
(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as part of an international ...
Engineering
May 30, 2011
2
0
"Wireless communication is a one-way street. Over." Radio traffic can flow in only one direction at a time on a specific frequency, hence the frequent use of "over" by pilots and air traffic controllers, walkie-talkie users ...
Engineering
Feb 14, 2011
16
0
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
(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
After the last embers of a campfire dim, the musky smell of smoke remains. Whiffs of that distinct smokey smell may serve as a pleasant reminder of the evening prior, but in the wake of a wildfire, that smell comes with ongoing ...
Environment
Jan 2, 2024
0
67
Electric vehicles, or EVs, promise to reduce carbon emissions and serve as a tool to help mitigate climate change, but a team of Penn State researchers report there has been little research to determine how equitable the ...
Environment
May 15, 2023
0
18
A new study shows that large bodies of water in urban areas can be effective at removing pollutants and heat from cities, but smaller ones can actually make the problem of the "heat island effect" worse.
Environment
Apr 18, 2023
0
73
A team of mechanical and civil engineers working with occupational health scientists affiliated with several entities in China and two colleagues from Harvard University found high levels of a host of chemicals inside of ...
