On February 23, 1897, Nikola Tesla received a patent for electrical condensers and coils. The features of the patent: 1. Improvements of condensers, transformers, self-induction…
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Boeing is 3D printing objects while levitating in space
Boeing has patented technology to 3D print objects while levitating in space. Multiple 3D printers are used to simultaneously print various features. The printing material has…