Scale of Advancement ...

• We can comprehend ...

  • El Guerrouj’s factor-of-1.07 over Bannister
  • El Guerrouj’s factor-of-2 over average 20 year old
  • Possibly Blackbird’s factor-of-220 of Flyer 1

• Can we comprehend a factor-of-21,000,000? Or even a factor-of-5000?

Had El Guerrouj improved on Bannister by a factor-of-21,000,000, he would have run the mile in 11.4 microseconds

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