News tagged with dynamic
Jump rope aerodynamics
Jump ropes are used by kids for fun and by athletes for training. But what about the underlying physics? How do jump ropes work? Can important engineering principles be studied?
Nov 22, 2010 |
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Should airplanes look like birds? Engineers envision more fuel-efficient design
Airplanes do not look much like birds -- unless you were to imagine a really weird bird or a very strange plane -- but should they? This question is exactly what a pair of engineers in California and South ...
Nov 21, 2010 |
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How hummingbirds fight the wind: Robotic device helps analyze hovering birds
Hummingbirds rank among the world's largest and most accomplished hovering animals, but how do they manage it in gusty winds?
Nov 21, 2010 |
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Air flows in mechanical device reveal secrets of speech pathology
From a baby's first blurted "bowl!'" for the word "ball" to the whispered goodbye of a beloved elder, the capacity for complex vocalizations is one of humankind's most remarkable attributes -- and perhaps one we take for ...
Nov 21, 2010 |
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Making use of jellyfish on dry land
John Dabiri, assistant professor of aeronautics and bioengineering at Caltech who won a MacArthur Award this year, is fascinated by jellyfish. He believes jellyfish propulsion can inform engineering, which in turn can inform ...
Nov 08, 2010 |
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Vacuum arcs spark new interest
Whenever two pieces of metal at different voltages are brought near each other, as when an appliance is plugged into a live socket, there is a chance there will be an arc between them. Most of the arcs people ...
Nov 08, 2010 |
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Virginia Tech computer scientist, student design award winning software to combat hacking
One of the serious threats to a user's computer is a software program that might cause unwanted keystroke sequences to occur in order to hack someone's identity. This form of an attack is increasing, infecting enterprise ...
Technology / Computer Sciences
Nov 01, 2010 |
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Climate change: Cultural shift needed similar to smoking, slavery
(PhysOrg.com) -- Despite scientific evidence of climate change, it will take a significant cultural shift in attitudes to address the situation, says a University of Michigan researcher.
Other Sciences / Social Sciences
Oct 27, 2010 |
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Dealing with the unexpected
To regain balance from an unexpected slip on the ice can require an abundance of rapid movement, but conscious thought isn't part of the equation.
Oct 22, 2010 |
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Can fluid dynamics offer insights into quantum mechanics?
In the first decades of the 20th century, physicists hotly debated how to make sense of the strange phenomena of quantum mechanics, such as the tendency of subatomic particles to behave like both particles ...
Oct 20, 2010 |
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Consortium: Higher ed curricula not keeping pace with societal, tech changes
The structure of the university in the 21st century is changing rapidly after its evolution into a multiversity in the 20th century. But as universities are being restructured to best serve the society of tomorrow, are their ...
Other Sciences / Social Sciences
Oct 18, 2010 |
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Bouncing water droplets reveal small-scale beauty (w/ Video)
In the video below, scientists have captured the simple movements of water droplets on a superhydrophobic carbon nanotube surface. The video shows the water droplets as they bounce, slide, and roll across ...
Oct 14, 2010 |
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Microfluidic devices advance 3-D tissue engineering
A research team, co-headed by Dr. Woo Lee and Dr. Hongjun Wang of Stevens Institute of Technology, has published a paper describing a new method that generates three-dimensional (3D) tissue models for studying bacterial infection ...
Medicine & Health / Medical research
Oct 06, 2010 |
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Elpida develops industry's smallest 30nm process 2-Gigabit DDR3 SDRAM
Elpida Memory, Inc., Japan's global supplier of Dynamic Random Access Memory (DRAM), today announced that it had completed development of a 30nm process 2-gigabit DDR3 SDRAM.
Sep 29, 2010 |
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A scientific research study analyzes when to buy airline and theater tickets
Do you fancy watching a musical in London? Then, according to a research study at the Universidad Carlos III de Madrid, if you want to save money you should buy your airlines long in advance, but postpone ...
Other Sciences / Economics & Business
Sep 22, 2010 |
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