newsweekscience

newsweek.com

Secrets of the Great Pyramid's secret chambers may be revealed by a tiny flying robot

Like a miniature, foldable blimp, the robot will fit through holes just 1.5 inches across.

newsweekscience

Not only do all of the instruments on board need to fit through the tiny hole, they also need to not weigh down the blimp itself, which must inflate and deflate on its own. The blimp can carry just 50 grams worth of equipment.