Selected cool hidden stuff

• NASA technology assisted in judging the authenticity of the Shroud of Turin.
  
  
• A weekly newspaper reported that the Apollo 11 lunar landing was a hoax.
  
  
• Children sent encouraging notes to NASA after the explosion of the space shuttle Challenger.
  
  
• You can read the flying instructions issued with the 1911 Custiss Pusher airplane.
  
  
• Robotic clones of people appeared at a famous space center.
  
  
• Did you know that the makers of the craft which rescued the Apollo 13 astronauts (April 1970) sent a bill for a tow charge to the makers of the crippled "mother-ship" for thousands of dollars?
  
  
• What famous comic strip characters traveled to the Moon?
  
  
• What famous science fiction character discussed the science of orbiting the Earth three years before the launch of the first orbiting spacecraft?

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