A novel metamaterial emits significantly more heat than it absorbs under a magnetic field, breaking Kirchhoff’s law.

New results published in the journal Physical Review Letters detail how a specially designed metamaterial was able to tip the ...

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A new material developed at Penn State defies a fundamental law of physics, opening doors to highly efficient solar cells.

Seventy years ago, on September 17, 1955, a modified Convair B-36 departed Carswell Air Force Base in Texas. Legendary U.S.

Toxicity was measured according to the Radiation Therapy Oncology Group (RTOG) score system. Results: Between 2017 and 2024, 86 prostate cancer patients received a total of 137 SBRT treatments. 50 ...

They can be life-saving but radiation from the scans also contributes to cancer risk. The authors of a new study estimate overuse of CT scans is increasing the U.S. cancer burden.

They can be life-saving but radiation from the scans also contributes to cancer risk. The authors of a new study estimate overuse of CT scans is increasing the U.S. cancer burden.

One of the reasons for the striking differences in radiation emissions is that sometimes patients are scanned just once, and other times they’re scanned multiple times. Multiple images often are ...