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   Author  Topic: Line  (Read 457 times)
alien2
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Line  
« on: Oct 15th, 2015, 2:09pm »		 Quote Quote Modify Modify
Half a mater long black straight line is drawn with a marker pen on a white floor. Can you make the line shorter without touching it?
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oceanvibe
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Re: Line  
« Reply #1 on: Oct 16th, 2015, 12:05am »		 Quote Quote Modify Modify
is the floor bendable? If yes, just make it in half so the the lines on each half touch and you have a shorter one.
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alien2
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Re: Line  
« Reply #2 on: Oct 16th, 2015, 4:36am »		 Quote Quote Modify Modify
on Oct 16th, 2015, 12:05am, oceanvibe wrote:
is the floor bendable?

Nah.
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rmsgrey
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Re: Line  
« Reply #3 on: Oct 16th, 2015, 5:53am »		 Quote Quote Modify Modify
Do I have access to a manipulable black hole?
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alien2
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Re: Line  
« Reply #4 on: Oct 16th, 2015, 6:23am »		 Quote Quote Modify Modify
You don't have access to advanced technology.
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gotit
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Re: Line  
« Reply #5 on: Oct 16th, 2015, 7:47am »		 Quote Quote Modify Modify
Do you mean shorter compared to another line?. If yes, then draw another line which is longer than the first one.
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towr
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Re: Line  
« Reply #6 on: Oct 16th, 2015, 8:10am »		 Quote Quote Modify Modify
Dump liquid nitrogen on it; most materials shrink when cold.
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rmsgrey
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Re: Line  
« Reply #7 on: Oct 17th, 2015, 9:26am »		 Quote Quote Modify Modify
Start walking parallel to the line. Relativistic effects mean the length in my frame is shorter than in the line's rest frame.
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alien2
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Re: Line  
« Reply #8 on: Oct 20th, 2015, 1:02am »		 Quote Quote Modify Modify
Gotit's answer is the intended one.
 
I encountered this riddle a few days ago in an Indian television drama show Udaan and it was solved by the protagonist a little girl named Chakor.
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