| http://www.w3.org/ns/prov#value | - Willis Eschenbach says: January 24, 2012 at 1:42 pm When I illustrated my post called ???Perpetuum Mobile???, I chose a photo of a Civil War era perpetual motion machine, because that???s what they are in my mind???a relic of a time long ago when people hadn???t grasped that such a machine is an impossibility.
|
