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Search results for micromachines

Engineering Apr 16, 2010

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 the sensors' ...

Engineering Feb 26, 2010

Mechanical devices stamped on plastic

(PhysOrg.com) -- Microelectromechanical devices -- tiny machines with moving parts -- are everywhere these days: they monitor air pressure in car tires, register the gestures of video game players, and reflect light onto ...

Biochemistry Feb 23, 2010

Laser adds extra dimension to lab-on-chip

(PhysOrg.com) -- A European research project has shown how to build optical sensors directly into the structure of labs-on-chips. The breakthrough paves the way for on-the-spot medical diagnostics.

General Physics Dec 21, 2009

Swimming Bacteria Could Become Model for Micromachines

(PhysOrg.com) -- UConn researchers say Spiroplasma's propulsion style is optimal for converting energy into motion.

Engineering Dec 15, 2009

Micromachined piezoelectric harvester drives fully autonomous wireless sensor

For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. The packaged ...

Space Exploration Sep 9, 2009

ESA preparing 'sugar-cube' gyro sensors for future missions

One of ESA's future Earth observation missions will monitor its orientation in space with the help of the smallest gyro ever flown by the Agency. Now being tested, the sugar cube-sized device at the heart of the gyro unit ...

Nanomaterials Aug 12, 2009

Capping A Two-Faced Particle Gives Duke Engineers Complete Control (w/ Video)

(PhysOrg.com) -- Scientists drew fittingly from Roman mythology when they named a unique class of miniscule particles after the god Janus, who is usually depicted as having two faces looking in opposite directions.

General Physics Dec 2, 2008

Ship-in-a-bottle kit on a microchip

(PhysOrg.com) -- Sometimes physicists resort to tried and trusted model-making tricks. Scientists at the Max Planck Institute for Metals Research, the University of Stuttgart and the Colorado School of Mines have constructed ...

Nanophysics Jun 18, 2008

Trap and zap: Harnessing the power of light to pattern surfaces on the nanoscale

Princeton engineers have invented an affordable technique that uses lasers and plastic beads to create the ultrasmall features that are needed for new generations of microchips.

General Physics May 8, 2008

New technique measures ultrashort laser pulses at focus

Lasers that emit ultrashort pulses of light are used for numerous applications including micromachining, microscopy, laser eye surgery, spectroscopy and controlling chemical reactions. But the quality of the results is limited ...

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