Why are they just realizing this now?
Space elevators: 'First floor, deadly radiation!'
NewScientistSpace Nov. 13, 2006
*************************
Humans might not survive the trip
on space elevators, thanks to the
ionizing radiation they would
receive travelling through the core
of the Van Allen radiation belts
around...
http://www.kurzweilai.net/email/newsRedirect.html?newsID=6085&m=25748