Someone (Mike Davey) has built an actual, WORKING, Turing Machine. It is complete with a control, a write head, erase head, read head, and even a mechanism for storage using 35mm leader tape (stores about 10 kilobits). His website, aturingmachine.com, has a video where you can watch it working!

Additional Resources Turing Machine (Wikipedia) Alan Turing (Wikipedia)

Mike Davey’s Turing Machine A Turing Machine - Overview (aturingmachine.com) Video of “A Turing Machine” (youtube.com)