[Kyle] wanted to try something new. A Persistence of Vision Clock using a CD-ROM drive. We have covered lots of POV Clocks that make use of hard drives, but we think this is the first time we have ...

[XTronical]’s idea for a laser-based persistence of vision gadget failed, but the basic idea seemed sound. A row of inexpensive red lasers shine into a spinning mirror and are reflected onto a distant ...