Originally Posted by MrSelfDestruct

Take a Frappucino Bottle, tap a hole in the cap off toward the edge, and put a piece of aluminum pipe in so it almosts touches the bottom. Tap another hole in on the other side, and put a piece of rubber tubing in so you have a foot or two outside of the bottle and an inch or two inside. Wrap enough duct tape around that it's airtight. Put a piece of screen patch (for window screens) over the pipe, push it down to form a bowl, and bend the rest down and secure it with a hose clamp.



What is the powdery coating on the inside of the bulb made of?

Hint: it's toxic