India's heat wave longest ever, worse to come

India's heat wave is the longest ever to hit the country, the government's top weather expert said Monday as he warned people will face increasingly oppressive temperatures.

Hexagonal copper disk lattice unleashes spin wave control

A collaborative group of researchers has potentially developed a means of controlling spin waves by creating a hexagonal pattern of copper disks on a magnetic insulator. The breakthrough is expected to lead to greater efficiency ...

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