Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Technology / Engineering

Dec 15, 2009 | 5 / 5 (11) | 1

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. ...

Microscopic gyroscopes, the key for motion sensing

Technology / Engineering

Dec 09, 2009 | 5 / 5 (6) | 1

(PhysOrg.com) -- Tiny devices made possible by combining the latest advances in mechanical and electronics technology could be at the heart of next-generation personal navigation and vehicle stabilisation ...

Glitter-sized solar photovoltaics produce competitive results

Technology / Energy

Dec 22, 2009 | 4.4 / 5 (33) | 0

Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used.