News tagged with frequency vibrations
New nanogenerator may charge iPods and cell phones with a wave of the hand
Mar 26, 2009 |
4.4 / 5 (17) |
3
Imagine if all you had to do to charge your iPod or your BlackBerry was to wave your hand, or stretch your arm, or take a walk? You could say goodbye to batteries and never have to plug those devices into ...
Search results for frequency vibrations
Pickin' Up Good Vibrations to Produce Green Electricity
Nov 30, 2009 |
4.1 / 5 (11) |
2
(PhysOrg.com) -- Vibrations from the environments we live and work in could be much more widely harnessed as a clean source of electricity, due to cutting-edge UK research.
Highlight: Damping of acoustic vibrations in gold nanoparticles
Nov 19, 2009 |
4 / 5 (2) |
0
Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...
Good vibrations: Devices aid the deaf by translating sound waves to vibrations
Feb 26, 2009 |
not rated yet |
0
(PhysOrg.com) -- Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.
'Anti-noise' silences wind turbines
Aug 11, 2008 |
4.9 / 5 (15) |
0
If wind energy converters are located anywhere near a residential area, they must never become too noisy even in high winds. Most such power units try to go easy on their neighbors' ears, but even the most ...
Researchers push resonator frequency limit
Mar 14, 2008 |
4.6 / 5 (34) |
1
Many researchers in microelectromechanical systems (MEMS) have focused on resonators -- tiny devices that vibrate at radio frequencies -- to replace quartz crystals and other oscillators and can be economically ...
One nano-step closer to weighing a single atom
Jul 27, 2009 |
5 / 5 (1) |
1
By studying gold nanoparticles with highly uniform sizes and shapes, scientists now understand how they lose energy, a key step towards producing nanoscale detectors for weighing any single atom.
Looking for 'Stripes' in High-Tc superconductors
Mar 07, 2007 |
4 / 5 (7) |
0
In LBCO, as in all materials, negatively charged electrons repel one another. But by trying to stay as far apart as possible, each individual electron is confined to a limited space, which costs energy. To ...
Micromachined piezoelectric harvester drives fully autonomous wireless sensor
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. ...
A sonic boom in the world of lasers
Jun 17, 2009 |
4.8 / 5 (22) |
6
It was an idea born out of curiosity in the physics lab, but now a new type of ‘laser’ for generating ultra-high frequency sound waves instead of light has taken a major step towards becoming a unique and highly useful 21st ...
Listen to Headphones Without Blocking Out the World
Electronics / Consumer & Gadgets
Jan 31, 2008 |
4 / 5 (24) |
4
A new set of headphones can enable music lovers to enjoy their music while still hearing the outside world at the same time. Outi´s Vibe Body Sound headphones use bone conduction technology to send vibrations ...
List of search results for frequency vibrations
