ENERPAC
Enerpac was granted the contract to perform the stage lifting and lowering of the Beijing Olympics stadium roof as part of the construction process. The entire configuration including the central computer, satellite computer controllers, 156 double-acting, high-pressure hydraulic cylinders and 55 electronically controlled hydraulic power units was specified and custom designed by Enerpac
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Nanogenerator consumes CO2 to generate electricity
Nice to see my my views being backed up by no less a figure than Sabine Hossenfelder https://youtu.be/QoJzs4fA4fo