Search found 3 matches

by mikesartin
Mon Jun 15, 2009 8:29 pm UTC
Forum: Science
Topic: Favorite home experiments
Replies: 590
Views: 476064

Re: Favorite home experiments

I would like to do some home experiments related to gardening, Has anyone in the past done any on the same? Here is a classic; I can't remember who first did it. Determine the dry mass of a seed, a growing medium (perlite and composte will do). Arrange everything so that none of the growing medium ...
by mikesartin
Mon Jun 15, 2009 6:49 pm UTC
Forum: Science
Topic: Favorite home experiments
Replies: 590
Views: 476064

Re:

I have converted a two liter bottle, two paper clips, a dc wall adapter, some water, and some baking soda into a hydrogen bubble factory. Its really terrific to fill soap bubbles with hydrogen and then set a lighter to them. Its even louder if you can get hydrogen and oxygen in the bubble at a 2:1 ...
by mikesartin
Mon Jun 15, 2009 6:43 pm UTC
Forum: Science
Topic: Favorite home experiments
Replies: 590
Views: 476064

Re:

Vaniver wrote:1. Find some alcohol-based liquid (alcohol will work fine, but you probably want to dilute it a bit).
2. Cover hand in said liquid.
3. Light hand on fire.
4. Wave hand to extinguish fire. (Optional)


As Richard Feynman mention in Surely You Jest, Mr. Feynman, don't try this with hairy hands.

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