Aircraft designers at Heinkel and Saab independently recognized the dire need for a safe escape mechanism, and began to develop primitive ejector seats. These early models were far from the ...
Apple is reportedly developing its first foldable iPhone with liquid metal in its hinge for durability. Expected by late 2026 ...
来自MSN2 个月
Nature-inspired design uses elastic pillars to eject freezing droplets, preventing ice buildupResearchers at The Hong Kong Polytechnic University (PolyU) have invented a self-powered mechanism of freezing droplet ejection that allows droplets to shoot themselves away, paving the way for ...
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