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Rather than generate electricity at the African solar concentrators, says Müller’s group, engineers should direct the sunlight to reactors filled with limestone (CaCO3). At around 1000°C, the limestone would convert to quicklime (CaO) and CO2, which could be converted using other solar energy and hydrogen into useful fuel such as methane. Meanwhile, the lime could be transported over land and sea to European cities where, upon heating to 650°C in the presence of CO2 from local fossil fuel plants, it would reconvert to limestone with a massive release of heat. This heat would then boil water into steam to drive turbines, generating electricity on-site.
originally posted by: TEOTWAWKIAIFFYeah, limestone can used in storing and converting energy. But as stated, if you are travelling between star systems you probably already have a good energy source and use every bit generated in a useful manner. UFOs are the ultimate recycling machine!
originally posted by: Blue Shift
I understand that you can generate some electrical current by compressing crystals. Sure, bite into a peppermint Life Saver in the dark and I will make a spark.
But how exactly does that go from a spark in a crystal to some kind of orb flying in the sky? What's the mechanism there? I've never understood it.
originally posted by: PrometheusGreatMovie
I come across this news stories about DNA migrating through history, and how modern humans must have interbred with other hominidae like Neanderthals and Denisovans