Researchers at Northwestern University have developed a drone named Phantom Twist that is nearly invisible to the human eye. By spinning at a high frequency of 15-25 Hz, the drone exploits the persistence of vision, causing it to appear as a blur rather than a distinct object. This design was computationally optimized for low visibility, a process that would be difficult for humans to achieve manually due to the complex trade-offs involved in balancing flight stability with visual appearance. AI
IMPACT This drone's design could influence future stealth technologies and aerial surveillance methods.
RANK_REASON Research paper presented at a conference detailing a novel drone design. [lever_c_demoted from research: ic=1 ai=0.4]
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