Light robot – made with balloons.

In Brain Technology, Creativity and Innovation, Robots by Brainy Days Ahead

The Suzumori Endo Laboratory at the Tokyo Institute of Technology has used a series of helium-filled balloons to form a 20-meter-long robotic arm that weighs just 1.2 kilograms and is able to reach 20 meters. Oh, and it’s inflatable, making it light and packable.