5 ms·

But any reasonable person should be able to answer the speed of sound question. After all, the rule of thumb for estimating lightning distance is that every 5

But any reasonable person should be able to answer the speed of sound question. After all, the rule of thumb for estimating lightning distance is that every 5 seconds is 1 mile. Reciting a definition is no better than reciting a string of digits.

deleted 14y ago
[deleted]
sofal 14y ago
Are you saying that people who do not know that rule of thumb are not reasonable people?
- shrughes 14y ago
  I obviously am.
  - sofal 14y ago
    Chalk me up as unreasonable then, as I had never bothered to remember that rule.
icebraining 14y ago
That rule of thumb only works in a very small number of countries ;)