New computer chips do math with light

It’s a bright day for computing — literally. Two tech companies have unveiled computer components that use laser light to process information. These futuristic processors could soon solve specific real-world problems faster and with lower energy requirements than conventional computers. The announcements, published separately April 9 in Nature, mark a major leap forward for this…

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Democratic governors hit back at Trump order blocking state climate policies – US politics live | US politics

Democratic governors hit back at Trump order blocking state climate policies In a joint statement, the Democratic governors of New York and New Mexico, Kathy Hochul and Michelle Lujan Grisham, who co-chair the US Climate Alliance, a bipartisan coalition of 24 state governors committed to reaching net-zero greenhouse gas emissions, responded to the order targeting…

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Dozens reported dead in Gaza after Israeli strike on residential block – as it happened | Middle East and north Africa

Children among rising number of dead found after Israeli attack on Gaza residential block, say local officials The death toll from an Israeli strike in the Shujaiya area of Gaza City has risen to 29 Palestinians, Reuter reports. Local health authorities said the deaths included children. The Israeli military said in a statement it struck…

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