Just add water: 3-D silicon shapes fold themselves when wetted by microscopic droplets
Wednesday, June 4, 2014 - 06:12
in Physics & Chemistry
Researchers have taken the precise art of origami down to the microscopic scale. Using only a drop of water, the scientists have folded flat sheets of silicon nitride into cubes, pyramids, half soccer-ball-shaped bowls and long triangular structures that resemble Toblerone chocolate bars – an omnium-gatherum of geometric objects, which are almost too tiny to see with the naked eye.