No matter the item on my list of childhood occupational dreams, one constant ran throughout: I saw myself using an old-fashioned punch clock with the longish time cards and everything. I now realize ...

In the mid-1990s, I was at art college when my supremely talented tutor, Paul Granjon, decided to show a few students this new thing called ‘the internet’. He plugged in his Mac and a modem. Plenty of ...

Imagine a clock that doesn’t have electricity, but its hands and gears spin on their own for all eternity. In a new study, physicists at CU Boulder have used liquid crystals, the same materials that ...