News tagged with accelerometer

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Smartphone technology improves prosthetic limbs

Losing a limb can be a devastating experience, and while electrically powered prostheses can serve as a replacement for a lost arm, they are notoriously difficult to operate, and will never fully replace normal hand function. ...

dateDec 13, 2010 in Engineering
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Navigating underwater using spiral sound

With the increased use of underwater robotics in both Navy and commercial applications, underwater navigation becomes more and more important. As researchers attempt to make these vehicles smaller and less ...

dateNov 17, 2010 in Engineering
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Fighting obesity: Revisiting schoolyard games

(PhysOrg.com) -- A study in the Journal of Pediatrics systematically measured both energy expenditure and enjoyment in 30 different schoolyard games. Its findings offer a menu of effective games that could be played during ...

dateSep 28, 2010 in Health
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Micromachines for a safer world

Tiny sensors known as accelerometers are everywhere. The near-weightless technology can measure the impact of a dangerous tackle on a football player's helmet, control the flow of highway and runway traffic, analyze a golf ...

dateAug 10, 2010 in Engineering
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Microsensors without microfabrication

(PhysOrg.com) -- Miniature motion sensors are everywhere these days, detecting the orientation of cell phones, deploying air bags in cars and measuring stresses in buildings and mechanical systems. But manufacturing ...

dateApr 16, 2010 in Engineering
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These grains can be solid, liquid or dust

(PhysOrg.com) -- Take a walk along the beach and you might marvel at any number of things: the cresting waves, the occasional scuttling crab, the shells and odd shapes of driftwood that wash ashore.

dateMar 24, 2010 in Other
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