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741430.  Wed Sep 08, 2010 7:41 pm Reply with quote

In episode 13 (series G) Steven casually mentions, whilst talking about having your body turned into compost, "then they use a magnet to get rid of mercury and any other metals..." My understanding is that Mercury is not magnetic. What's up with that?

Ion Zone
741686.  Thu Sep 09, 2010 2:22 pm Reply with quote

The internet is pretty resolute that it isn't: Link I think they probably have some other process that was overlooked.

741735.  Thu Sep 09, 2010 5:22 pm Reply with quote

According to , the average (70kg) human body is 0.0000190% mercury. That's 12.5mg, not really a big deal in composting terms, I doubt it's worth the bother removing.

741771.  Thu Sep 09, 2010 7:01 pm Reply with quote

What percentage of out bodies would have to be mercury in order for our circumferences to swell and contract like a thermometer?

That way, if you wake up and you're too fat to get out of bed, you'll know it's really hot.

741780.  Thu Sep 09, 2010 8:26 pm Reply with quote

More than enough to be fatal such that you couldn't get out of bed anyway.

There's a really good OU programme called 'A thread of quicksilver' about the history of mercury in science. Enthralling stuff, especially the bit with floating cannonballs.

Found the very clip!


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