When it comes to painting miniatures, I’m not a gadget guy. Give me a good brush with a nice fine point and I can get the job done. But there’s one gadget that I wish I’d bought for myself a long time ...

A group of physicists came up with a way to stir up a liquid in a microchannel. Physicists managed to find a sophisticated solution to the problem based on the use of superhydrophobic surfaces. A lot ...