

@sciencegirl
science in context , art history and technology
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The umbilical cord sustains life before the first breath. 📹xavork [ 网页链接 ↗ ]

China’s solar towers in Dunhuang use mirrors to focus sunlight onto molten salt, storing heat to generate electricity even after sunset—enough to power ~80,000 homes. [ 网页链接 ↗ ]

A Brocken Spectre spotted while hiking at Rainbow Mountain, Peru – a rare atmospheric optical effect where the shadow of a person is seen on mist with a halo 📹everchanginghorizon [ 网页链接 ↗ ]