While time is continuous, most clocks display the time in a discrete way; even 'analogue clocks' often move their hands only once a second. In this instructable, I will show how to build a clock that shows the time continuously by smoothly cycling though the light spectrum. To allow for reading the clock with different levels of precision, we make multiple light cubes: one for which a second will have been passed after each cycle, one for a cycle of a minute, one for hour, one for day and one for a week.
Although it might take some time to learn reading this clock, it certainly is a much more colourful way of finding out the current time!
For this light spectrum clock you'll need:
If you shop economically, 35 pounds / 55 dollars will certainly be enough for the materials and a beer afterwards.