This experiment explores how early electrical technology can be rebuilt from scratch by creating a rechargeable lead-acid ...

A solid-state ionic bilayer generates stable electricity for over 60 hours through spontaneous ion migration alone, eliminating the need for mechanical, thermal, or environmental triggers. (Nanowerk ...

A hydroelectric generator produces electricity by harnessing the kinetic energy of running water. Now you can not only find stationary larger-scale hydroelectric generators but also portable micro ...

Self-deploying sea barriers offer coastal towns some protection from the destructive forces of tsunamis – but one problem can arise when power goes out in a disaster scenario. Hence this Japanese ...

[This article was first published in Army Sustainment Professional Bulletin, which was then called Army Logistician, volume 2, number 4 (July–August 1970), pages 18–21. The text is reproduced as ...