The global steel industry produces 7% of the world's direct carbon emissions caused by using a manufacturing technology based on iron-ore. This technology uses high furnaces that emit coke carbon. But every time we see closer the possibility to make the transition and reduce the global carbon footprint in the steel industry.
Swiss researchers, from the Federal Laboratories for Materials Science and Technology (EMPA), have developed a nanogenerator capable of harnessing the energy of the steps when walking on a wooden floor. To be more efficient, they upgraded the wood used in the nanogenerator with a combination of the silicone coating and embedded nanocrystals, resulting in enough energy to power an LED lamp and small electronic devices.
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