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A new lighting system uses network cables, instead of electrical wires, to supply power and carry data.
New lasers will be key to making fusion energy and proton therapy practical.
The Nobel Prize in physics was awarded to a fiber-optics pioneer and the inventors of digital-imaging chips.
Nanoparticle inks that fade away in hours could be ideal for secure communications.
Flexible arrays of bright inorganic LEDs could mean cheaper displays and lighting.
Dye-doped DNA nanofibers can be tuned to emit different colors of light.
OLEDs could soon give fluorescent lighting a run for its money.
Hybrid proteins that respond to light could reveal the biochemistry of addiction.