News tagged with peristaltic motion


Gel undergoes Peristalsis

Chemistry /

created Aug 18, 2008 | popularity 4.5 / 5 (16) | comments 4

(PhysOrg.com) -- Large or small, machine parts only move when controlled by an external impulse. Biological systems, on the other hand, are capable of autonomous movements that continuously follow their own rhythms and spatial ...





Search results for peristaltic motion


Fermi Telescope Peers Deep into Microquasar

Fermi Telescope Peers Deep into Microquasar (w/ Video)

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (16) | comments 0

(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...


Girl's progress after pioneering brain surgery gives hope to other parents

Medicine & Health / Other

created Nov 26, 2009 | popularity 5 / 5 (4) | comments 0

Lexi Haas is awakening into a world of new possibilities. Miracle by tiny miracle, she is making her body do what she wants -- instead of her body always controlling her. She looked up at her mother a few weeks ago, pursed ...


Droid smart phone

Top 10 tech toys for 2009

Electronics / Consumer & Gadgets

created Nov 25, 2009 | popularity 3 / 5 (4) | comments 0

This year, I've grouped my list of Top 10 tech toys into price ranges. Keep in mind that the prices listed are the suggested retail, and you may be able to find better deals.


No Wheel Stall in Diagnostic Drive

Spirit Mars Rover: No Wheel Stall in Diagnostic Drive

Space & Earth / Space Exploration

created Nov 25, 2009 | popularity 4.2 / 5 (5) | comments 1

(PhysOrg.com) -- On Sol 2095 (Tuesday, Nov. 24), Spirit performed a set of diagnostic actions related to a stall of the right-rear wheel on the previous drive, three days earlier.


'Cosmic fruit machine' matches collisions

'Cosmic fruit machine' matches collisions

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.5 / 5 (6) | comments 2

(PhysOrg.com) -- A new website will give everyone the chance to contribute to science by playing a 'cosmic fruit machine' and compare images of colliding galaxies with millions of simulated images of galactic ...


A mechanical model of vocalization

Physics / General Physics

created Nov 23, 2009 | popularity not rated yet | comments 0

When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with ...


Free Spirit: Third Extrication Drive Ends With Wheel Stall

Free Spirit: Third Extrication Drive Ends With Wheel Stall

Space & Earth / Space Exploration

created Nov 23, 2009 | popularity 4 / 5 (2) | comments 0

(PhysOrg.com) -- Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21). This is not the same wheel that stalled on Sol 1899 (May ...


Measuring and modeling blood flow in malaria

Biology / Cell & Microbiology

created Nov 23, 2009 | popularity not rated yet | comments 0

When people have malaria, they are infected with Plasmodium parasites, which enter the body from the saliva of a mosquito, infect cells in the liver, and then spread to red blood cells. Inside the blood cells, the parasites ...


Aquatic creatures mix ocean water

Physics / General Physics

created Nov 22, 2009 | popularity 5 / 5 (4) | comments 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, ...


Generating electricity from air flow

Physics / General Physics

created Nov 22, 2009 | popularity 3.5 / 5 (11) | comments 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. ...



List of search results for peristaltic motion