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The new cells promise to be cheaper, more efficient, and even printable.
Thin-film silicon solar cells are more efficient with tiny holes in the back electrical contact.
A novel process yields big pieces of single-ply graphene for smaller, faster electronics.
Replacing sapphire with silicon could lead to more-affordable LEDs.
Electronics made of a single sheet of carbon could be created much smaller than those made with silicon.
A sensor that measures the concentration of viruses in minutes could make possible a handheld device that cheaply and quickly spots pathogens.
1366 Technologies hopes to cut the cost of solar with cheaper manufacturing.
New circuits bring low-power nanotube computers closer.
Nanowire anodes could let lithium-ion batteries run twice as long.
A simple technique can draw–and erase–wires to create denser computer memory.