WANT to build a car the size of a grain of sugar? Or an aircraft no bigger than a mosquito? It is even harder than it sounds – and not just because assembling small devices is fiddly.
Things are different on the mesoscopic scale. You will find this world as you shrink beyond the millimetre range into the micro and nano worlds, but before you reach the unearthly quantum realm of atoms and electrons.
Here the forces between atoms and molecules are much more significant than they are on our scale. Air, for example, behaves more like vegetable soup than a…
