News tagged with rotational speed
Higher energy yield with torque vectoring gears
Wind turbines have a problem: Depending on the wind's force, the rotational speed of the turbine and thus of the generator changes. However, alternating current must be fed into the grid with precisely 50 (or 60) hertz. Typically ...
Technology / Energy & Green Tech
Feb 23, 2011 |
4.4 / 5 (7) |
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Nano-sized light mill drives micro-sized disk (w/ Video)
While those wonderful light sabers in the Star Wars films remain the figment of George Lucas' fertile imagination, light mills - rotary motors driven by light - that can power objects thousands of times greater ...
Jul 05, 2010 |
4.7 / 5 (25) |
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Search results for rotational speed
BaTboT is up for imitating smart bat maneuvers
(Phys.org) -- Robotics researchers in Spain and the U.S. are studying bats for their design work on drones. Bat wings are highly articulated, with skeletons similar to those of human arms and hands. The researchers ...
8 hours ago |
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Keeping up with embryogenesis: New microscope lets users track individual cells as they move, divide
(Medical Xpress) -- The transformation of a fertilized egg into a functioning animal requires thousands of cell divisions and intricate rearrangements of those cells. That process is captured with unprecedented ...
2 hours ago |
5 / 5 (1) |
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Review: New HTC phones are Ones to look for
When it comes to smartphones, I'm an iPhone guy. But I've long appreciated HTC's Android phones.
Electronics / Consumer & Gadgets
Jun 01, 2012 |
5 / 5 (1) |
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X-ray 'echoes' map a supermassive black hole's environs
(Phys.org) -- An international team of astronomers using data from the European Space Agency's (ESA) XMM-Newton satellite has identified a long-sought X-ray "echo" that promises a new way to probe supersized ...
May 31, 2012 |
5 / 5 (8) |
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Science nugget: Catching solar particles infiltrating Earth's atmosphere
(Phys.org) -- On May 17, 2012 an M-class flare exploded from the sun. The eruption also shot out a burst of solar particles traveling at nearly the speed of light that reached Earth about 20 minutes after ...
Space & Earth / Space Exploration
May 31, 2012 |
5 / 5 (1) |
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Dark matter makes a comeback
Recent reports of dark matter’s demise may be greatly exaggerated, according to a new paper from researchers at the Institute for Advanced Study. ...
May 22, 2012 |
4 / 5 (13) |
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Hall effect at the speed of light: How can you demonstrate relativistic effects with your mobile phone?
The relativistic Hall effect describing objects rotating at speeds comparable with the speed of light has been reported.
May 21, 2012 |
4.3 / 5 (3) |
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Every black hole contains a new universe: A physicist presents a solution to present-day cosmic mysteries
Our universe may exist inside a black hole. This may sound strange, but it could actually be the best explanation of how the universe began, and what we observe today. It's a theory that has been explored ...
May 18, 2012 |
4.2 / 5 (88) |
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Chemists merge experimentation with theory in understanding of water molecule
(Phys.org) -- Water is the most abundant and one of the most frequently studied substances on Earth, yet its geometry at the molecular level – the simple two hydrogen atoms and one oxygen atom, and how ...
May 18, 2012 |
5 / 5 (2) |
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Research on neutrinos allows the discovery of vortices in the abysses of the eastern Mediterranean
An INFN research project on neutrinos has made it possible to observe for the first time the presence of chains of marine vortices in the Mediterranean at depths of more than 3000 meters, large water structures of diameters ...
Space & Earth / Earth Sciences
May 16, 2012 |
4.9 / 5 (8) |
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List of search results for rotational speed
