News tagged with velocity
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Swimming Bacteria Could Become Model for Micromachines
7 hours ago |
not rated yet |
0
(PhysOrg.com) -- UConn researchers say Spiroplasma's propulsion style is optimal for converting energy into motion.
Russian railways enter modern age with new express
Dec 20, 2009 |
4 / 5 (5) |
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Famed for the legendary trains that clank across seven time zones on its Trans-Siberian railroad, Russia this week entered the modern railway age with its first high-tech express train.
Studying how black holes grow
Space & Earth / Space Exploration
Dec 17, 2009 |
5 / 5 (2) |
1
Black holes are some of the most exotic objects in the universe. They are the final evolutionary stage of giant stars much larger than the sun. When these stars explode, their cores collapse down to the size ...
Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases
Dec 16, 2009 |
4.7 / 5 (10) |
2
(PhysOrg.com) -- Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but theoreticians at ...
Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)
Dec 16, 2009 |
4.9 / 5 (24) |
10
(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...
Scientists study hummingbirds flight to develop self-propelled surveillance devices
Dec 16, 2009 |
3.8 / 5 (5) |
1
The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.
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