TechnologyARMY on Instagram: "Researchers at the University of California, Santa Barbara built a robot just 30 cm long and ~100 grams — yet it can jump 33 meters straight up. That’s higher than a 10-story building. The secret? A carbon-fiber bow-shaped spring that slowly stores energy, then releases it all at once — just like how fleas jump. Instead of constant power, it uses pure physics and timing. This kind of design could reshape how robots explore collapsed buildings, rough terrain, or even