Baked seaweed in your laptop?
According to Nature.com, French researchers have found that high-tech electronic devices can be made from a natural substance - seaweed. When baked to a charcoal, the seaweed can be used for making the electrodes in state-of-the-art supercapacitors. The environmental issues surrounding harvesting vast tonnes of seaweed and baking it are open to speculation, but it already sounds better than using toxic, highly-industrialised methods of creating microelectronics. So expect your next computer to smell fishy.
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