How to use a barometer:

 

As you may recall from our tantalizing tale from yesterday . . . 

 

The star student taking his final exam in physics went on to explain to his teacher the reason for his being stuck on one of the problems that had to do with determining the height of a tall building using a barometer.

 

There are so many answers he explained, that I don’t know which to use.  “I could take the barometer to the top of the building and drop it off, timing how long it takes to hit the ground, and thereby calculate the height of the building.”

            

“Or I could tie a string to the barometer and let it down to the sidewalk from the top of the building, bring it back up, and measure the length of the string to detemine the building's height.”

 

Now that is imaginative thinking. By looking at a problem upside down, from the bottom or sideways, we can come up with new solutions that would not occur to us otherwise.  

           

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