Named after the physicist Enrico Fermi., Just before the Trinity test on the atomic bomb, Enrico Fermi decided he wanted a rough estimate of the
atomic bomb’sblast’s power before the diagnostic data came in. To show the power of deductive thinking , he dropped some pieces of paper from his
hand as the blast wave passed him, and used this to estimate that the blast was equivalent to 10 kilotons of TNT. His guess was remarkably accurate
for having so little data: the true answer turned out to be 20 kilotons of TNT.
Example 1:
How many piano tuners are there in New York City? How might one figure out such a thing?? Surely the number of piano tuners in some way
depends on the number of pianos. The number of pianos must connect in some way to the number of people in the area.
Approximately how many people are in New York City?
10,000,000
Does every individual own a piano?
No
Would it be reasonable to assert that “individuals don’t tend to own pianos; families do?
Yes.
About how many families are there in a city of 10

Sample Solution

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