[OT] Radioactivity

[Shane Hathaway]

Daniel C. wrote:
> "We self-irradiate ourselves at 40 millirems (a unit for measuring
> small doses of radiation) per year because of the potassium 40 we
> carry in our bodies. "[In] double beds, you know your spouse will
> irradiate you to about 2 or 3 millirems a year," McGaffigan said.
> "These are doses we actually regulate at. And I've always wondered,
> when people demand even tighter [nuclear] regulation, why they're not
> demanding that double beds be regulated or bananas be regulated or
> Brazil nuts be regulated.""

Given this, I wonder why people object to pebble bed reactors.

http://en.wikipedia.org/wiki/Pebble_bed_reactor

They seem like a dream come true for environmentalists, yet Greenpeace 
seems to hate nuclear reactors in all forms.  I don't get it.

Shane