It isn’t that often that you can make a functioning scientific instrument from recycled junk lying around your house. The video shows you how to make a spectroscope out of a cardboard tube an old CD and some card-stock. Looks like a fun project to make with the kids. DIY Spectroscope

Save money with this DIY physics project, by making authentic scientific tools with recycled materials. A spectroscope is an instrument used to break light up into its constituent colors, like a prism does, showing the light spectrum.