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It seems to me that the safest kinds of boats or floating islands would be to use materials that are naturally buoyant, like plastic. A breached hull would be less catastrophic. Thin sheets use very little plastic, but we don’t … Continue reading
I found these formulas by playing around. I don’t know how to prove them with math. By trial and error I played around and looked for patterns in numbers. I compared calculations with a spreadsheet. Then, when I found the … Continue reading
Except for solar electric panels and petroleum-powered engines, man-made power is produced by heat-powered turbines. This means that wood fires could power turbines as well as wood stoves to produce either electricity or mechanical power. Unless someone can show me … Continue reading
Huh. is really just a special case of where the constant denominator d is 1.
The very nature of sums requires that the sum be defined when x = 1, which it often is not. This should help.
Most organisms decay in water. I soaked goathead seeds in a covered container of water for a full year. The water developed algae and became green, but at the end of the year, the seeds were as strong as ever. … Continue reading