On 3 Jul 2009, at 16:03, Ian Russell wrote:
> Alka-Seltzer tablet dropped into a plastic 35mm film container half
> full of water. Snap the lid on quickly. After (approximately) 20
> seconds the lid comes off with a loud pop and flies about ten metres
> across the room, if suitably aimed by the person holding the
> container.
>
> It's safer and less smelly to avoid using vinegar. I find that most
> high street film processors keep a carrier bag of these under the
> counter because they are asked for them so often. Get recycling...
My preferred combination is lemon juice and bicarb. It doesn't smell
as bad as vinegar, and doesn't involve using medicines for recreation.
Yes, I'm a bit reserved about such things, and I know most people use
Alka-Seltzer (or at least effervescent vitamin C tablets), but I've
never thought it's the best choice when alternatives exist.
--
Jonathan Sanderson
"If I had more time, I would have written a shorter letter" (Pascal)
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