These Squishy Batteries Are Made Out of Water, Here’s How They Work

We humans are soft and squishy, and don’t like electricity. Robots are hard and pointy, and they love it. So how do we make a robot that’s soft and squishy like living things, but still gets power? Hydrogels of course. Hard, metal robots are so 20th century. “Soft-robotics” is hip. Just like me. Soft-robotics involves […]