High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

A nanoscale optical device has been developed that allows independent control over the intensity and phase of light. By ...

Focused laser-like light that covers a wide range of frequencies is highly desirable for many scientific studies and for many ...

A Caltech team has developed a highly efficient method to provide coherent light of any wavelength from visible to ...

Dirac plasmon polaritons, or DPPs, are different from ordinary light waves. They can squeeze light into spaces hundreds of times smaller than its natural wavelength, a ...

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Heavy rain has flooded some streets and halted rail and air traffic in Tokyo, with more storms forecast.