News tagged with propellant

Electron microscopes with a twist

Vortex beams, rotating like a tornado, offer completely new possibilities for electron microscopy. A method of producing extremely intense vortex beams has been discovered at the Vienna University of Technology ...

dateNov 05, 2012 in General Physics
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Amoeba feast on backpacks

(Phys.org)—The amoeba Acanthamoeba cunningly traps motile bacteria, collecting them in a rucksack before devouring the whole backpack. This behaviour of the single-cell organisms is unique.

dateOct 22, 2012 in Cell & Microbiology
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Low speed wind tunnel gets new motor

A new motor has been installed in the Oran W. Nicks Low Speed Wind Tunnel, replacing a 900RPM, 1,000-horsepower synchronous motor from Allis-Chalmers that was surplused by the U.S. Navy back in World War II.

dateMay 28, 2012 in Engineering
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Flying 3-D eye-bots

Like a well-rehearsed formation team, a flock of flying robots rises slowly into the air with a loud buzzing noise. A good two dozen in number, they perform an intricate dance in the sky above the seething ...

dateMay 03, 2012 in Robotics
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Detecting material defects in ship propellers

Ship propellers are as large as a single-family home – and manufacturing them is quite a challenge. During the casting process, pores and miniscule cracks can form that in the worst case may cause a blade ...

dateApr 02, 2012 in Engineering
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