from New Scientist.com
Invisible drone
Can a surveillance drone be made virtually invisible? VeraTech, based in Minnesota, US, thinks so. And patent applications filed by the company explain how.
"Persistence of vision" turns the fast-moving rotors of any helicopter into a near-transparent blur, while the slow-moving body looks solid. Inventor
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my email is thesecretserver@yahoo.com
i type this as i wait to clock in, but i can tell you that there is beauty in this world because i saw it earlier this week. right now things are pretty gloomy and i put on the glasses of an old crow to assess things in an infallible logic.
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