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renhanxue
searching PlanetScale…
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91.
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by
renhanxue
3y ago
> just in case this VR stuff takes off I think the last few years have pretty conclusively proven that there is no VR train to miss. It remains mainly a novelty (with some niche uses) and none of its fundamental issues have been resolved
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renhanxue
3y ago
Unfortunately I think this will have less of an impact than many people think. As expensive as the radiation hardened hardware is, it's still series produced stuff that doesn't need reinventing for every mission. Almost all of the
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by
renhanxue
3y ago
To my knowledge there's no really effective way of converting low grade waste heat into electricity. Basically all heat-based electricity generation today relies on being able to boil water into steam to spin a turbine. But with heat p
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by
renhanxue
3y ago
It's not a new technology, though. The Vancouver system mentioned in the article has been in operation since 2010, which may be a short time in infrastructure terms, but similar systems that extract waste heat from sewage have been in
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renhanxue
3y ago
But district heating is a distribution mechanism, not a heat generation mechanism. Cogeneration plants are one way to power it, but you can also use waste heat from industrial processes, very large scale heat pumps, or burning household w