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This is a question Home Science

Have you split the atom in your kitchen? Made your own fireworks? Fired a bacon rocket through your window?
We love home science experiments - tell us about your best, preferably with instructions.

Extra points for lost eyebrows / nasal hair / limbs

(, Thu 9 Aug 2012, 17:25)
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If I'm not mistaken
this is more or less the same priciple that George Stephenson used to make it possible to shrink a steam engine to portable size.

Or was it James Watt? Anyway, whoever it was realised that you could get a double hit from a puff of steam - once when it expanded to push a piston, and again by cooling/condensing, making it suck the piston back the other way.
(, Wed 15 Aug 2012, 16:25, 1 reply)
You are not mistaken!
I can never remember who did what when it comes to steam engines...
(, Wed 15 Aug 2012, 16:34, closed)
And I agree
that is a really good website.

me and the kids are going to destroy some stuff this weekend.
(, Wed 15 Aug 2012, 16:54, closed)
Have fun!
If you want messy, but not particularly destructive demos, you could have a volcanic afternoon:

Flour Volcano - demonstrates how volcanoes form a caldera

Wallpaper Paste Volcano - a great eruption that demonstrates the effect of dissolved gases in volcanoes.
(, Wed 15 Aug 2012, 17:04, closed)
or the old school dilantant fluid behaviour
with cornflour and water can keep small children entertained for hours.
(, Wed 15 Aug 2012, 17:20, closed)

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