How Fast is Your Clock Set... Inside?

 

For this exercise you will need a friend and a watch with an obvious second hand.  If you prefer the private approach, just use a timer that counts up from zero.

 

Assuming you have a friend to do this with, simply have the person time how long you think it takes a minute to pass with your eyes closed - without counting the seconds or using some other mental calculation.  Simply close your eyes when the person tells you the mark and do not open them again until you think a minute is up.

 

You may want to do this little exercise before you read the explanation of its significance, so that the experiment is more objective.  The explanation is given on the next page.

 

 

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