News tagged with turbulence
Generating electricity from air flow
Nov 22, 2009 |
3.5 / 5 (11) |
2
A group of researchers at the City College of New York is developing a new way to generate power for planes and automobiles based on materials known as piezoelectrics, which convert the kinetic energy of motion into electricity. ...
Researchers develop virtual streams to help restore real ones
Nov 24, 2009 |
5 / 5 (1) |
0
Researchers at the University of Minnesota have developed a unique new computer model called the Virtual StreamLab, designed to help restore real streams to a healthier state. The Virtual StreamLab, which demonstrates the ...
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
5 / 5 (4) |
0
If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...
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First black holes may have incubated in giant, starlike cocoons
Nov 24, 2009 |
4.1 / 5 (17) |
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(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...
Aquatic creatures mix ocean water
Nov 22, 2009 |
5 / 5 (4) |
1
Understanding mixing in the ocean is of fundamental importance to modeling climate change or predicting the effects of an El Niño on our weather. Modern ocean models primarily incorporate the effects of winds and tides. However, ...
Boosting the amount of energy obtained from water
Nov 18, 2009 |
3 / 5 (2) |
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The energy generated in places where fresh water and salt water meet is known as blue energy. This is a relatively new but highly promising renewable energy source. Piotr Długołęcki of the University ...
A bubbling ball of gas (w/ Video)
Space & Earth / Space Exploration
Nov 11, 2009 |
4.9 / 5 (18) |
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The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...
Fantastic Voyage
Space & Earth / Space Exploration
Nov 02, 2009 |
4.8 / 5 (19) |
3
By travelling to the outer solar system, the two Voyager spacecraft allowed us to see amazing details of far-distant planets and moons.
High-performance plasmas may make reliable, efficient fusion power a reality
Nov 02, 2009 |
4.7 / 5 (40) |
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In the quest to produce nuclear fusion energy, researchers from the DIII-D National Fusion Facility have recently confirmed long-standing theoretical predictions that performance, efficiency and reliability ...
Scientists explain mystery of observed turbulent density fluctuations in interplanetary space
Oct 28, 2009 |
4.8 / 5 (4) |
2
(PhysOrg.com) -- Scientists at The University of Alabama in Huntsville have developed a three-dimensional simulation model to understand behavior of interplanetary charged particles in space.
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