Were you always dreaming about a clock that was obvious, but yet subtle in displaying the time? This Shadow Clock concept might be what you’ve been looking for, as it doesn’t have any physical arms to tell the time, rather it’s capable of using the shadows created by its built-in lamp to project a giant clock on your wall, allowing you to tell the time, like some kind of modern sundial. If your friends aren’t observant, they probably wouldn’t even notice that it’s a giant clock that’s ticking away on your wall. You might not want to install this on your bedroom ceiling, though, as you’d probably never get any sleep.