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Gold nanoparticles with branching polymers could attack tumors in multiple ways.
A new nanowire laser could reveal new cellular mechanisms.
A new type of nanometer-size semiconductor crystal that can amplify light marks an important step toward cheap, tunable lasers.
Researchers at Intel have made the most efficient silicon laser yet, potentially paving the way for cheaper medical imaging and ultrasensitive chemical detection.
A new laser device designed to detect the earliest stages of tooth decay could help dentists stop cavities in their tracks.
Affordable HD-DVD players are one potential payoff from a simpler process for making semiconductor lasers.
A new laser design helps create usable terahertz radiation, which penetrates common materials but doesn’t harm tissue.