Scientists are always busy to find new sources of power, but some of them are rather unconventional
this question and some have come up with possible answers. One way of harnessing the power of heat from crematoriums was by attaching turbines to the facility’s burners. The turbines get turned by steam produced in the cremation chamber. The output is not massive, but it’s enough to power the crematorium and related facilities. And with more people choosing cremation over burial, at least in Europe, the “feedstock” is on the rise.
The National Renewable Energy Laboratory is also involved in research focusing on seaweed and turning it into fuels, including jet fuel. A team is on this in the Caribbean, with the twist that they are trying to see if they could combine abundant wood waste with seaweed to make fuel—and graphite. Graphite is a critical mineral or EV batteries. Seaweed is certainly an impressive life form.
The heating creates hot air that circulates in the sand thanks to the deployment of a heat exchanger. According to the Finnish team that came up with the idea, this simple system can keep the sand heated up to 500 C/900 F for as long as several months. Once the energy is needed, it gets released to heat homes or other buildings.If there is something even simpler than using 100 tons of sand to store heat, it is using the natural heat of human bodies to generate energy.
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