News tagged with kinetic energy

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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. ...


Scientists cool gas by laser bombardment

Physics / General Physics

created Sep 02, 2009 | popularity 5 / 5 (5) | comments 6

Three decades ago, American and Finnish scientists came up with a very powerful method for cooling gases by "laser bombardment." Only now were physicists at the University of Bonn able to demonstrate that it actually works. ...


Soldiers turn a march into a charge

Technology / Engineering

created Jul 27, 2009 | popularity 1 / 5 (1) | comments 1

Engineers at the University of Leeds (UK) are developing a way to capture the kinetic energy produced when soldiers march and use it to power their equipment.


Kites flying in high-altitude winds could provide clean electricity

Kites flying in high-altitude winds could provide clean electricity

Technology / Energy

created Jun 24, 2009 | popularity 4.6 / 5 (44) | comments 29

(PhysOrg.com) -- At any moment, the winds in high-altitude jet streams hold roughly 100 times more energy than all the electricity being consumed on Earth, according to a study by Stanford environmental and ...


Evidence of macroscopic quantum tunneling detected in nanowires

Evidence of macroscopic quantum tunneling detected in nanowires

Nanotechnology / Nanophysics

created May 27, 2009 | popularity 4.2 / 5 (13) | comments 6

A team of researchers at the University of Illinois has demonstrated that, counter to classical Newtonian mechanics, an entire collection of superconducting electrons in an ultrathin superconducting wire is ...


Answers to huge wind-farm problems are blowin' in the wind

Answers to huge wind-farm problems are blowin' in the wind

Technology / Energy

created Dec 15, 2008 | popularity 3.1 / 5 (14) | comments 12

(PhysOrg.com) -- While harnessing more energy from the wind could help satisfy growing demands for electricity and reduce emissions of global-warming gases, turbulence from proposed wind farms could adversely ...