We know, the last
thing you want to hear of right now is more food, but we just couldn't resist. Anna Gram's artsy Citrus Clock combines the magic of stellar design with basic science in order to create a timepiece
that's powered by lemons (or the citrus fruit of your choosing, presumably). Reportedly, a single juicy lemon will keep the seconds ticking for a fortnight (or two weeks, if you've got an inexplicable problem with said synonym), which ain't half bad if we should say so ourselves.