Thursday, July 05, 2007
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Free Speech is not something that happens naturally. We all must work to be understood. We must use carefully chosen words, pictures, and stories to illustrate what we are truely trying to say. Because it is only then that we can truely speak freely.
2 comments:
ahahahaha! they look like hamsters!
It's kind of like zorb, minus the downhill.
One question: how are the kids getting oxygen??
i wondered the same! so i found that an adult at rest uses about 1/4 cubic foot of air per minute. i estimated the volume of the sphere to be 65.5 cubic feet (assuming a diameter of 5.5 feet.) so... the kids could breathe in those bubbles for roughly 262 minutes, or a little over 4 hours. of course that doesn't take into consideration the fact that they may be using more air than someone at rest, or that the air in an enclosed space will reach a dangerous concentration of carbon dioxide before all the oxygen is used up. so - they're probably safe for about 2 hours.
and i'm a big nerd :)
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