News tagged with vortex rings

Hot invention cools down environment: Environmentally-friendly heat exchanger produced

The current global energy crisis means that sustainability now supplants necessity as the mother of all invention. Concordia University's Georgios Vatistas, professor in the Department of Mechanical and Industrial Engineering, ...

Technology / Engineering

created Feb 15, 2012 | popularity 5 / 5 (2) | comments 0

Physicists create supernova in a jar (w/ Video)

(PhysOrg.com) -- A team of physicists from the University of Toronto and Rutgers University have mimicked the explosion of a supernova in miniature.

Physics / General Physics

created Dec 02, 2010 | popularity 3.1 / 5 (13) | comments 9 | with audio podcast

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 ...

Technology / Engineering

created Nov 08, 2010 | popularity 5 / 5 (3) | comments 0

Mosses use 'mushroom clouds' to spread spores (w/ Video)

(PhysOrg.com) -- Scientists in the US have solved the mystery of how peat mosses manage to get their spores high enough to catch the wind, discovering that they produce vortex rings of air, like miniature ...

Biology / Plants & Animals

created Jul 23, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast report




Search results for vortex rings


Canadian firm bids to commercialize fusion reactor

In the race against world governments and the wealthiest companies to commercialize a nuclear fusion reactor, a small, innovative Canadian firm is hoping to bottle and sell the sun's energy.

Technology / Energy & Green Tech

created Nov 30, 2011 | popularity 4 / 5 (21) | comments 79

NASA studying ways to make 'tractor beams' a reality

Tractor beams -- the ability to trap and move objects using laser light -- are the stuff of science fiction, but a team of NASA scientists has won funding to study the concept for remotely capturing planetary ...

Physics / General Physics

created Oct 31, 2011 | popularity 4.3 / 5 (21) | comments 38 | with audio podcast

Jury still out on whether the Arctic ozone hole is an exception

Last winter, an unprecedented ozone hole appeared above the Arctic, five times the size of Germany. For ETH-Zurich professor Thomas Peter, the recently published study comes as no surprise. But it does raise ...

Space & Earth / Earth Sciences

created Oct 12, 2011 | popularity 5 / 5 (1) | comments 0

Physicists discover new way to visualize warped space and time

(PhysOrg.com) -- When black holes slam into each other, the surrounding space and time surge and undulate like a heaving sea during a storm. This warping of space and time is so complicated that physicists ...

Physics / General Physics

created Apr 11, 2011 | popularity 4.7 / 5 (32) | comments 49 | with audio podcast

Surprise hidden in Titan's smog: Cirrus-like clouds

Every day is a bad-air day on Saturn's largest moon, Titan. Blanketed by haze far worse than any smog belched out in Los Angeles, Beijing or even Sherlock Holmes's London, the moon looks like a dirty orange ...

Space & Earth / Space Exploration

created Feb 03, 2011 | popularity 5 / 5 (9) | comments 11 | with audio podcast

Physicists observe exotic state in an unconventional superconductor

A new fractional vortex state observed in an unconventional superconductor may offer the first glimpse of an exotic state of matter predicted theoretically for more than 30 years. In a paper published in the ...

Physics / Superconductivity

created Jan 13, 2011 | popularity 4.9 / 5 (7) | comments 1 | with audio podcast

Newly developed cloak hides underwater objects from sonar

In one University of Illinois lab, invisibility is a matter of now you hear it, now you don't.

Physics / General Physics

created Jan 05, 2011 | popularity 4.8 / 5 (30) | comments 27 | with audio podcast

Using chaos to model geophysical phenomena

Geophysical phenomena such as the dynamics of the atmosphere and ocean circulation are typically modeled mathematically by tracking the motion of air or water particles. These mathematical models define velocity ...

Physics / General Physics

created Dec 07, 2010 | popularity not rated yet | comments 1

Scientists move objects across meter-scale distances using only light (w/ Video)

(PhysOrg.com) -- For more than 40 years, scientists have been using the radiation pressure of light to move and manipulate small objects in space. But until now, the movements have always been restricted to ...

Physics / General Physics

created Sep 30, 2010 | popularity 4.8 / 5 (36) | comments 10 | with audio podcast feature

Trashing the ocean

(PhysOrg.com) -- UC Irvine professor William Cooper follows the trail of plastic debris that's spreading from the coast to the deep sea.

Space & Earth / Environment

created Jun 29, 2010 | popularity 5 / 5 (7) | comments 2


List of search results for vortex rings