Electrical
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May 23 | News
Some
37 cameras shot 132 musicians running through the score of Gustav
Holst's "The Planets” on the specially-blacked out stage at Watford
Colosseum, just outside London, early this year. That footage has been
used by a London museum to put the conductor's baton in visitors' hands,
allowing guests to direct a virtual orchestra using 3D motion sensors.
May 18 | News
The
first purely silicon oxide-based “resistive RAM” memory chip that can
operate in ambient conditions has been developed by researchers in the
U.K., and it needs just a thousandth of the energy of Flash-based chips.
Unlike other attempts to develop similar silicon-oxide chips, this
invention does not require a vacuum to operate.
May 18 | News
With
the advent of the solid-state transistor and semi-conductor-based flat
panel display technology, the vacuum tube has virtually disappeared from
consumer electronics. But a team of researchers in Korea and at NASA’s
Ames Research Center have combined the best traits of both technologies
to create a vacuum channel transistor just 150 nm long.
May 17 | News
A
year after a researcher at Linköping University in Sweden built a fully
functional field-effect transistor from plastic, another scientist at
the same institution has shown that it is possible to control these
transistors with great precision, allowing the device to function as a
logic circuit.
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
There's
nothing worse than a shonky pool table with an unseen groove or bump
that sends your shot off course. A new study has found that the same
goes at the nano-scale, where the "billiard balls" are tiny electrons
moving across a "table" made of the semiconductor gallium arsenide.
May 9 | News
A
detailed description of development of the first practical device that
mimics the process of photosynthesis has recently been published in an
American Chemical Society journal. Unlike earlier devices, which used
costly ingredients, the new device is made from inexpensive materials
and employs low-cost engineering and manufacturing processes.
May 9 | News
Gallium
nitride, a semiconductor material found in bright lights since the
1990s, is used in wireless applications because of its high efficiency
and high voltage operation. However, it’s difficult to remove heat from
GaN electronics, which limits applications and markets. Researchers at
the University of California, Riverside, have made a material from
graphene that does the job, and it looks a lot like a patterned quilt.
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%.
