Tiny generators developed at the University of Michigan could produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker or wireless sensor.
Engineering
Mar 23, 2010
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(PhysOrg.com) -- These boots are made for walking... and for powering up your cell phone? It could happen, say a team of Princeton and Caltech scientists. In a recent paper in the journal Nano Letters, they report that they ...
Nanophysics
Mar 18, 2010
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Scientists are reporting an advance toward scavenging energy from walking, breathing, and other natural body movements to power electronic devices like cell phones and heart pacemakers. In a study in ACS' Nano Letters, they ...
Nanophysics
Feb 24, 2010
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(PhysOrg.com) -- A computer mouse that’s made from recycled and biodegradable cork and recycled plastic components is one of 18 finalists in the Greener Gadgets Design Competition. But its technology is even greener than ...
(PhysOrg.com) -- As fossil fuels increasingly fall out of favor, many are looking into alternative energy sources to help us power our lives with a smaller impact on the environment. You already know about solar power and ...
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 ...
Engineering
Dec 15, 2009
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There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current crop of piezoelectric ...
Condensed Matter
Nov 13, 2009
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(PhysOrg.com) -- If you want to know how a cell responds to a particular chemical, the experiment is simple: Inject it with that chemical. Micropipettes — tiny needles that can puncture a cell and deliver a compound directly ...
Cell & Microbiology
Sep 3, 2009
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0
Recently a super-strain nanoporous material, barium calcium zirconium titanate composition (Ba0.85Ca0.15)(Ti0.9Zr0.1)O3 (BCZT) was created, which showcases an extraordinary piezoelectric response (d33 ≈7500 pm V-1) . This ...
Nanophysics
Jun 26, 2024
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In the field of aerospace, a high-temperature piezoelectric vibration sensor is one of the few key devices that can be monitored in a high-temperature and harsh environment, so it is particularly urgent to develop high performance ...
Analytical Chemistry
Apr 23, 2024
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