Precessing magnetic jet engine model reveals power source of rare 'heartbeat' gamma-ray burst

Prof. An Tao from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences has proposed a novel ...
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DIY Hand-Powered Water Pump Generator | Build a Mini Pump & Light LEDs with Recycled Materials!

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled materials. This step-by-step DIY tutorial guides you through crafting a mini ...
Hackaday

Building And Testing A Turbine Driven Hydro Generator

The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator.  The devil here is, of course, in all ...