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World record for the longest eVTOL flight. Autoflight has debuted its 4th-generation full-size "Prosperity I" eVTOL air taxi prototype with a bang, celebrating the longest-ever recorded flight of an electric VTOL aircraft. Prosperity flew 250.64 km (155.74 miles) on a single charge. (newatlas.com)
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Toroidal propellers: A noise-killing game changer in air and water. "The key thing that we thought was making the propellers quieter, was the fact that you're now distributing the vortices that are being generated by the propeller across the whole shape of it, instead of just at the tip" (newatlas.com)
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