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May 16 | News
Thanks
to new energy taxation regulations taking effect in Germany, electrical
engineers there have invented a space-saving energy usage metering unit
that can be simply clipped onto a power cable like a laundry peg,
without having to disconnect the load. The device is based on a magnetic
field sensor originally developed for use in washing machines, where it
monitors the position and orientation of the rotating drum.
May 15 | News
Camera
maker Canon Inc. is moving toward fully automating digital camera
production in an effort to cut costs—a key change being played out
across Japan, a world leader in robotics. According to the company
spokesman, counting on machines can help preserve the country's
technological power.
May 14 | News
Researchers from Michigan State University, the NIST Center for Neutron Research, and the NIST Center for Nanoscale Science and Technology have discovered the key to controlling and enhancing the lossless flow of a current with a single electron spin state in a standard superconducting device.
May 10 | News
Light-emitting diodes (LEDs) at infrared wavelengths are the magic
behind
such things as night vision and optical communications. Cornell
University researchers
have advanced the process of making such LEDs cheaper and easier to
fabricate,
which could lead to ultrathin LEDs painted onto silicon to replace
computer
wiring with light waves.
May 9 | News
White-light
quantum dots made from cadmium selenide can convert blue light produced
by a light-emitting diode into a warm white light similar to that
generated by an incandescent bulb. But their performance has been poor
until recent development breakthroughs have improved efficiency from
just 3% originally to as high as 45%.
May 3 | News
Electric
vehicles have slowly been catching on in urban environments, but their
popularity has been hampered by available manufacturing technology.
Either the vehicles are too heavy and too expensive, or they do not meet
mass-market safety requirements. Researchers in Germany, funded by
major automotive corporations, are testing a new mobility concept they
hope will hit the sweet spot.
Apr 30 | Tools And Technology
Schaefer, Inc., has broadened capabilities for its Raptor Series of
military COTS/MOTS power supplies. The output voltage range has been
extended to provide DC outputs from 12 VDC to 52.5 VDC with power
ratings from 1200 W to 1800 W.
Apr 20 | News
Theoretically,
a solar cell can achieve 33.5% efficiency under ideal conditions, but
until now researchers had hit only 26%. This past year, a company called
Alta Devices acted on the theory that emission and voltage go
hand-in-hand by creating solar cell that acts like a light-emitting
diode. Its prototype broke the record, achieving 28.3% efficiency.
Apr 19 | Featured Articles
Globalization, the personal computer, and changing priorities set the
stage for R&D 100 Award Winners.
Apr 18 | News
Philips
recently announced that its EnduraLED 12.5 W bulb has met or exceeded
the quality and energy efficiency requirements for a 60 W light-emitting
diode (LED) equivalent set forth by the Environmental Protection
Agency’s Energy Star program. Philips was the only company to enter the
Department of Energy’s L Prize contest, which sought a product like the
EnduraLED.
