A flying saucer beams up a German engineer, an Indian guru and a Bulgarian. The three of them are informed by an alien in a lab coat that standard procedure when contacting an unfamiliar species is to subject them to the standardized intergalactic intelligence test.
"You will be put in an airtight vault for three minutes," says the alien. "It's 3x3x3 meters and completely empty. You'll be given two balls made of a superstrong titanium alloy and no tools. Do something in the vault that will convince us that you're more interesting to us alive than...