Peter Weiss
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All Stories by Peter Weiss
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Tech
Technique puts more data into airwaves
A new approach that exploits the orientations of the electric and magnetic fields in radio waves may increase data flows to and from cell phones and other wireless devices by up to a factor of six.
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Chemistry
Cut-ups create soft spots for chemistry
Networks of fabricated, squishy vesicles as tiny as red blood cells and connected by thin tubules may one day serve as microscopic chemical laboratories, sensors, and even chemical computers.
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Tech
Current may flow free and cheap
Wires that carry electricity without resistance at relatively high temperatures--and are inexpensive--moved a large step closer to reality as a 100-fold speed-up in depositing a key material wiped out a major obstacle to making those wires.
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Tech
From silicon seeds, laser might sprout
The achievement of light amplification in a layer of tiny nuggets of silicon called quantum dots raises the possibility that long-desired silicon lasers are on the way.
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Physics
Heating, simulations get the drop on drips
Air can buoy a layer of oil and, perhaps, even water leaking through a ceiling, if the air is relatively warm compared with the liquid.