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…
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…
On February 22, 1916, Ernst Alexanderson received a patent for a selective tuning device for radios that became an integral part of modern radio systems…
Google filed patent for generating a 3D audio CAPTCHA (“completely automated public turing test to tell computers and humans apart”). It is difficult to break…
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