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Quantum-dot displays promise to be cheap, beautiful, and energy efficient, but some major hurdles remain.
The nanomaterials give the displays a color and efficiency boost.
Inkjet-printed silicon increases solar-cell efficiency.
Chemical bonds put a new spin on quantum-dot hybrid light-emitting devices.
A new way to print quantum dots could lead to brighter, more power-efficient displays.
A nanoscale version of a TV antenna directs light.
An experimental type of laser could lead to faster communications.