Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the subaudible sound pressure levels as "annoying." They claim this nuisance negatively ...
Environment
Jun 5, 2018
3
28
Researchers have discovered a potential new method for making the high-performance magnets used in wind turbines and electric cars without the need for rare earth elements, which are almost exclusively sourced in China.
Materials Science
Oct 24, 2022
1
390
(PhysOrg.com) -- The noise that we produce can be a lot of things. It can be a valid means of communication. It can be an annoyance when you are trying to get to bed at night. It can be a migraine waiting to happen, and depending ...
Many governments are promoting a move away from fossil fuels towards renewable energy sources. However, in a study published today, scientists highlight some of the ecological dangers this wave of 'green' energy poses.
Energy & Green Tech
Oct 25, 2017
6
373
Opened in September as a world "first" in producing electricity from waves, a pioneering installation here is dead in the water having functioned for only a few weeks in a stormy process of research and development.
Energy & Green Tech
Mar 24, 2009
9
0
(PhysOrg.com) -- The Walney wind farm on the Irish Sea--characterized by high tides, waves and windy weather--officially opened this week. The farm is treated in the press as a very big deal as the Walney farm is presently ...
In a world where climate change, air and water pollution, biodiversity loss, water scarcity, ozone depletion, and other environmental problems overlap, a fix in one arena can cause trouble in another.
Environment
Jan 14, 2019
0
169
Many owl species have developed specialized plumage to effectively eliminate the aerodynamic noise from their wings – allowing them to hunt and capture their prey in silence.
General Physics
Nov 24, 2013
1
1
Research by Harvard professor David Keith suggests that the global capacity for energy generation from wind power has been overestimated, and that geophysical / climate effects of turbines will reduce the benefits of large-scale ...
Energy & Green Tech
Feb 25, 2013
64
0
(Phys.org) -- This month’s news-making word in wind-powered vehicle experiments is “upwind.” Blackbird, a wind powered cart, has shown it can travel upwind at more than twice the speed of circulating air. Rick ...
