Why does a balloon stick to hair?
HowStuffWorks explains the secrets of static electricity.
HowStuffWorks: How Porta Potties Work
You can find porta-potties at festivals, construction sites and concerts across the planet – but how do they work? Get a closer (non-messy) look here.
HowStuffWorks: How Printer Ink Works
Printer ink sounds pretty mundane but as it turns out there's a lot of science and technology behind it. From nozzles projecting ink at incredible speeds to reasons why refilling cartridges isn't a great idea, we explain how printer ink works.