On 17-4-2009 23:30, Orchid XP v8 wrote:
>>> That's almost as broken as the logic in Braniac's weight experiment. 
>>> They got a girl, weighed her, and then made her eat a quarter 
>>> pounder. Afterwards, she was less than a quarter of a pound heavier. 
>>> This is because of "the energy used by eating the burger". And not 
>>> because, say, 1/4 lb is THE UNCOOKED WEIGHT OF THE BURGER or anything 
>>> like that... :-P
>>
>> That refers to a very classical experiment where someone measure his 
>> weight while sitting on a platform for some time and became lighter 
>> all the time. That was the first time they got a clue that perhaps we 
>> are breathing out CO2 and that takes some weight. I can not find a 
>> reference unfortunately.
> 
> It strikes me that this would take a really, *really* long time to 
> happen though.
> 
He sat there, I think, for a couple of days, it was noticeable much 
sooner. The platform and the food (and the toilet, these were other 
days) were on one arm of a scale and counterweights on the other.

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