On Thu, 2010-08-26 at 09:34 +0200, Michal Jezierski wrote: > > Can infrared cameras be used to spot thermals? > > Sorry, I couldn't restrain myself. There is a joke in my club that goes > like this: > > Russians said in 60s that they are just about to invent a remote thermal > detector. After the dissolution of the Soviet Union, they are still > working on it ;) > The only believable story I've heard about this involved Maynard Hill, a well-known RC flyer and record breaker - he flew a 5.0 kG model aircraft across the Atlantic (Newfoundland -> Ireland - the Alcock & Brown route) in 2003. He was working at Johns Hopkins Applied Physics Laboratory on either UHF radar or Lidar when they saw some odd diffuse blobs. Maynard guessed what they were but wouldn't say. Instead, he went home, grabbed an RC glider and back at the lab went out with a two-radio, launched the model and had the guys talk him into a blob: it was a thermal, of course. The radar was picking up dust, insects, etc. carried up by the thermal.
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