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Inspirations: Terraforming Earth with Iron

Iron sulphide could encourage marine algal growth. Small-scale experiments have shown it moving carbon from the atmosphere to the deep ocean. It could offset global warming, but the large-scale effects are unpredictable. In 2012, Russ George provoked controversy by boosting

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Posted in Inspirations, Wednesday Pontification

Inspirations: To sail upon a star

Project Breakthrough Starshot plans to send probes to Proxima Centauri powered by lightsails. The lightsail was conceived decades ago, but the IKAROS probe is the only spacecraft to use it. IKAROS is powered by the sun, but Breakthrough Starshot will

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Posted in Inspirations, Wednesday Pontification
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