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A lamp for $5 that does not require any electrical power source? It may sound like an impossible dream, but two designers in London have built functioning prototypes of GravityLight, a cheap way for ...

From Red Ferret: “A huge part of this planet exists without access to reliable electricity, which doesn’t just mean no access to computers and other tools, but a lack of even the most basic of ...

Human health is the Achilles heel of space travel. Researchers at ETH Zurich have now succeeded in printing complex muscle ...