I heard the Mantises have requested a copy of Frankenstein in 3-D (1973).
They presented the insects with screens full of black and white dots, with a slightly different pattern projected to each eye. Against these backgrounds, a small circle of dots—a target—would slowly spiral inward from the outside. “It’s meant to be like a little beetle moving against a background,” says Read. By tweaking the dots, the team could change how far away this target would appear to the watching mantises. And they found that the insects would start to attack the target when it seemed to get within striking distance…