
Not sure why you'd want to clean out a burnt out lightbulb - the website owner says it's good for things like mini fishy tank or small plant pot.
Go take a look: How to hollow a lightbulb.
Your one-stop shop of cool hacks, Mods and links to them. Nothing is too weird, whether related to cooking a 10lb Burger to modifying your iPod. If it's cool I want to know about it, and hopefully in the process let you know about it too. Feel free to point us at things you find weird, geekish, unusual.