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NASA is developing optical sensors for safer touchdowns.
A novel nanolaser could cram more data onto a hard disk.
A new device could help dentists better detect the early signs of tooth decay.
A new solar laser could be instrumental in the quest to use magnesium as a source of energy.
A new kind of tattoo ink could make removal a lot easier.
Gold nanoparticles with branching polymers could attack tumors in multiple ways.
A new type of nanometer-size semiconductor crystal that can amplify light marks an important step toward cheap, tunable lasers.
A new laser device designed to detect the earliest stages of tooth decay could help dentists stop cavities in their tracks.
The new type of sensor could be an early warning system for bridges and buildings under stress.
Researchers learn how to make lasers directly on microchips—the result could be computers that download large files much more quickly.