Holy shit! Just two orders of magnitude away, if this is correct...
PHYSICS NEWS UPDATE
The American Institute of Physics Bulletin of Physics News
Number 532 March 28, 2001 by Phillip F. Schewe, Ben Stein,
and James Riordon
If Ng is right, the noise sensitivity
achievable by the prospective advanced phase of LIGO will only
need a further hundredfold enhancement in order to detect the
quantum foam, which is to say the very fabric of spacetime. Thus
the Planck scale, so far only a hypothetical extreme regime, might
eventually become a realm that can be approached and measured.
(Physical Review Letters, 2 April 2001.)
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