A new supercapacitor design that uses only water, clay and graphene could source material on Mars and be more sustainable and ...

A cargo ship is the shape that works best: long and thin with high sides. You can even load it with more weight. Clay is more dense than water and sinks if you shape it into a small cube or sphere.

“I started using clay soil to mold vessels and bricks of different sizes when I was in class two.This was when I realised that I had a gift but back then, I did it purely for leisure,” he say ...