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Shine a laser in a vat of resin and you can
make things. Shine a laser at microscopic
objects and you can push them around. A pair
of Hungarian researchers has put the two ideas
together to create microscopic machines that
are powered by light. These resin rotors could
serve as tiny pumps, sensors and actuators.
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Crossed
nanowires make Lilliputian LEDs
Cross a pair of some of the smallest wires possible and you're on your way to making nanoelectronic devices. Some crossed nanowires even emit light.
Simulation
sizes up Web structure
How links get updated at the biggest sites goes a long way toward determining the shape of the Web, according to a Web simulation that jibes with the real thing. You always knew the people at Yahoo had a little too much power...
Quantum
bit hangs tough
A single bit that survives fractions of a second longer than its predecessor points the way to quantum computers that can withstand the rigors of a noisy environment.
Sowing
strain reaps ordered dots
A little stress is a good way to keep quantum dots in line.
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