The Raspberry Pi has an obvious use as a security camera but with this case a Pi Zero W does the job very well indeed. 

How many times have you been temped to build your own custom display only give up because doing one digit was difficult and doing more would be crazy. Now you can try your hand a a seven segment display where each segment is admittedly difficult!

Hi, my name is Mike and I'm a recovering physicist. Or I was until I found this video.

OK, this one isn't going to be to everyone's taste, but I assure you it's fun. How do you control a ball inside a wheel when you only have control over the rotation of the wheel?