Researchers report quantum-limit-approaching chemical sensing chip

University at Buffalo researchers are reporting an advancement of a chemical sensing chip that could lead to handheld devices that detect trace chemicals—everything from illicit drugs to pollution—as quickly as a breathalyzer ...

Handheld device can check if fish oil supplements have expired

Fish oil capsules are a popular health supplement with many health benefits, but concerns have been raised over the quality because omega-3 fatty acids are very prone to oxidation and deterioration on exposure to heat and ...

'MasSpec Pen' for accurate cancer detection during surgery

A major challenge for cancer surgeons is to determine exactly where a tumor starts and where it ends. Removing too much tissue can impair normal functions, but not taking enough can mean the disease could recur. The "MasSpec ...

Spotting tomato blight with a smartphone

Researchers at North Carolina State University have developed portable technology that allows farmers to identify plant diseases in the field. The handheld device, which is plugged into a smartphone, works by sampling the ...

Atomic beams shoot straighter via cascading silicon peashooters

To a non-physicist, an "atomic beam collimator" may sound like a phaser firing mystical particles. That might not be the worst metaphor to introduce a technology that researchers have now miniaturized, making it more likely ...

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