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Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love the flip-disc clock created by [David Plass]. The build is based ...

Record-breaking drought continues to scorch wide swaths of sub-Saharan Africa, from Somalia in the east to Niger in the west. Humanitarian groups say tens of millions are hungry and conditions are ...

Using integrated silicon high-contrast sub-wavelength gratings and organic cavity exciton-polaritons at room temperature, we realize all-optical transistor action with picosecond switching and ...