The answer will depend on the units used for the measurements.
Are they inches, feet, metres? There is no way of knowing.
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Virtual Reality Modeling Language (VRML) and X3D
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Probably spider bite. Or at least anh insect of some sort.
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Garry Kasporov has played a match (six games alternate white and black pieces) against 5 computers.
Deep Thought in 1989 (Kasparov victroy)
Deep Blue in 1996 (Kasparov victory)
Deep Blue in 1997 (Computer victory, this is subject to controversy)
Deep Junior in 2003 (Draw)
X3D Fritz (Draw)
The most well-known of these is Deep Blue of 1997. This match was subject to controversy as Kasporov accused IBM (The creators of the computer) of human intervention and cheating so that they could win.
More information about the 1997 match can be found in the Related Links area.