Prairie dogs don't just have a call for "danger" — they have one signature set of frequencies and tones for "human," another for "hawk" and a third for "coyote." They can even differentiate between coyotes and pet dogs.
New stealth technology can hide or disguise a tank's infrared signature, allowing it to project the heat signature of a car or evanesce into the background.
New stealth technology can hide or disguise a tank's infrared signature, allowing it to project the heat signature of a car or evanesce into the background.
Would you believe a potty-themed restaurant? Patrons are seated on toilets, the room is lined with bathroom tile, and the signature dish remains the chocolate swirled soft serve.