Everyone is familiar with pinwheels, and few of us haven’t crafted one from a square of paper, a stick, and a pin. Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to ...

But what workers hate is not the air-conditioning itself. It’s the way that air-conditioning is distributed: through snaking overhead tunnels of metal ductwork and out the end of just a few vents ...