New polymer releases molecular cargo in response to force

Caltech scientists have developed a new kind of polymer that can carry a chemical payload as part of its molecular structure and release it in response to mechanical stress. The chemical system they have developed could one ...

Shrink films get a grip

Many people fondly remember playing with toys known as Shrinky Dinks—sheets of polystyrene plastic with shapes that kids can color, cut out and heat in an oven, where they shrink into thicker pieces of plastic. Now, researchers ...

Light-powered healing of a wearable electrical conductor

Mechanical failure along a conductive pathway can cause the unexpected shutdown of electronic devices, ultimately limiting device lifetimes. In particular, wearable electronic devices, which inevitably undergo dynamic and ...

No signals from newest Kepler planet

A newly discovered planet has been observed with the Allen Telescope Array in a search for radio signals that would betray technically sophisticated inhabitants, but no transmissions have been detected.

After long wait, Malaysia releases jet data

Close to three months after the Malaysian jetliner disappeared, the government on Tuesday released reams of raw satellite data it used to determine that the flight ended in the southern Indian Ocean, a step long demanded ...

Car-to-car talk: Hey, look out for that collision! (Update 3)

A car might see a deadly crash coming even if its driver doesn't, the U.S. government says, indicating it will require automakers to equip new vehicles with technology that lets cars warn each other if they're plunging toward ...

Geologists simulate deep earthquakes in the laboratory

More than 20 years ago, geologist Harry Green, now a distinguished professor of the graduate division at the University of California, Riverside, and colleagues discovered a high-pressure failure mechanism that they proposed ...

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