Multibillion Race for Commercial VTOL Air Taxis

eHang, Volocopter and Archer Aviation are each billion-dollar or multi-billion valuation companies that are racing to establish the commercial VTOL air taxi industry in the 2021-2024 timeframes. Flying super-sized drone taxis are using electric engines and should become lower cost than helicopters. Multiple engines should be safer as one or two engines could fail and …

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Micro OLED Displays for Better Augmented Reality

Apple has partnered with Taiwan Semiconductor Manufacturing (TSMC) to develop advanced micro OLED display technology. Micro OLED will be useful for augmented reality devices. The new displays will be built directly onto wafers. They will be far thinner and smaller and use less power. They are at the trial production stage. It will take several …

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Quantum Encrypted Communication Between Drones

Zhenda Xie at Nanjing University has created cheap quantum encrypted communication between drones. Above – Quantum network and physical realization with mobile drone-based nodes. (a) A practical quantum network consists of multinode structure and should provide access for users at any time. (b) If link distance is over the Rayleigh length limit, the beam aperture …

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DARPA Gremlin Drone Tests

In November, DARPA X-61A Gremlins Air Vehicle (GAV) flew for more than two hours, successfully validating all autonomous formation flying positions and safety features. Nine attempts were made at mechanical engagement of the GAVs to the docking bullet extended from a C-130 aircraft, but relative movement was more dynamic than expected and each GAV ultimately, …

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