27 links have been added on 8 ideas about #battery.
  1. How safe are they really? Imagine carrying a nuclear reactor in your pocket. Additionally, how will we dispose of them safely, or are we looking at a catastrophic environmental disaster in a few years?

  2. djloon

    Nuclear batteries can revolutionise energy storage. Imagine going for decades without needing to charge your devices.

  3. Already done! These scientists have developed a biodegradable battery from crab shells.
    https://www.anthropocenemagazine.org/2022/09/battery-made-with-crab-shells-is-biodegradable-and-recyclable/

  4. Yeah, they are pretty common now – and a good thing. Motor boats suck, compared to using wind or the sun. Good stuff, loving this article here. https://robbreport.com/motors/marine/solar-powered-yachts-mainstream-oddball-niche-1234592000/

  5. “Not only can today’s technologies cut elevators’ energy use, but they also can return energy to the building grid.”

  6. Breaking is broken, from lifts to electric trains, cars to pushbikes, applying breaks is simply swapping useful energy for bad useless energy, ie entropy. So it goes!

  7. here you go.