[percy-l] Walker Percy quoted in today's NY Times: Gauging a Collider’s Odds of Creating a Black Hole

Wade Riddick wriddick at usa.net
Tue Apr 15 21:29:49 EDT 2008

I'm aware of one instance of self-censorship that occured in the wake of
9/11.  A scientist working on explosives gave up research into aluminum
nanopowders.  The explosive potential of a substance increases according to
the surface area it has to react with oxygen when it combusts.  Using
nanomachining techniques, it's theoretically possible to churn out a small
amount of highly porous aluminum compounds with extremely high explosive
potential.  It would be virtually impossible to detect by airport screeners.

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