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Packing More into Lithium Batteries
Packing More into Lithium Batteries
Lithium sulfur promises a longer charge, and safer operation, compared to standard lithium batteries.
Teaching an Old Polymer Memory Tricks
A polymer takes on four shapes depending on the temperature.
Catalysts for Plastic Recycling
Chemical process can recycle PET bottles at lower temperatures.
Magnetic Solder to Wire 3-D Chips
The lead-free material may make it easier and cheaper to make "stacked" chips with more computing power.
Faster Optical Switching Through Chemistry
Specially designed molecules could lead to all-optical data switches that could make the Internet far faster.
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Material Traps Light on the Cheap
The flexible composite requires far less silicon than today's solar cells.
Mar • Apr Issue
Graphic Graphene
Solar Cells Use Nanoparticles to Capture More Sunlight
Optical antennas could help solar cells produce more energy.
Nanopillars Boost Solar Efficiency
A new design can make more-efficient thin-film solar cells using existing manufacturing equipment.
Super Velcro
A novel adhesive is extremely strong, and its stickiness is reversible.
Solar Power
Solar Costs Heading Down
Researchers are creating novel types of photovoltaic devices that could finally make solar power a broadly practical source of renewable energy.
Solar Costs Heading Down
Silicon shortages drove up prices, but supplies are now increasing.

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