But after a month - as shown in these videos - the animals learned to associate the signal in their brains with the infrared source.
BBC: Lab rats 'acquire sixth sense'
The glasses are equipped with a near-infrared light source, which confuses the software without affecting vision.
BBC: 'Privacy visor blocks facial recognition software'
Jump past the break to see the crippled UAV in action, and hit up the source link for some awesome infrared footage and stills.
ENGADGET: Batcopter UAV observes anti-collision bat behavior, crashes into ground (video)
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