• XeroxCool@lemmy.world
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    3 days ago

    It’ll pick up autofocus of a digital camera and spark plugs firing in a gas engine. Not a joke. They have a chart showing the camera signal (some use a radio signal) and all vehicles on campus are diesel. No cell service is allowed in the valley and they have to approve towers in a 100 mile square. It’s pretty serious. It also great for incredibly dark skies, for the astronomer in you.