Although jet engines are theoretically quite simple devices, in reality they tread a fine line between working as intended ...
Abstract: Energy Selective Surfaces (ESS) can exhibit different transmission responses according to the intensity of the incident signal. This enables the ESS to transmit normal-intensity signals ...
A viral video showed a hack that turned a regular crescent wrench into an automatic, adjustable wrench, but a real adjustable wrench would work just fine.
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