The Expanding Log Theory
Situation:
We tend to trip on not only rocks, but on logs used on trails to slow down erosion. We felt there had to be a natural explanation for this, as well. This one was a bit tougher. But once one has solved one of the great mysteries the great outdoors, other great insights come easier.
Key facts and observations:
- Obviously logs used on trails are dead.
- Dead things decay.
- Now it is our belief, that although one normally sees decay on the outside, the decay must also exist in the center. Think of a compost pile.
- As the log decays on the inside heat is generated - again, like a compost pile.
- Cold tends to slow down the generation of heat at night
- Consequently, the log shrinks a bit.
Conclusion:
And, as we know from the expanding rocks, warmer things get bigger (Please, stay on the subject of the log - not night thoughts!) The expanded log is now bigger than we'd remembered this morning and, consequently, we trip. But, the hiker is not to blame.
Theory--Expanding Log:
A log, that is easily stepped over in the morning, will be harder to step over in the afternoon--due to expansion caused by the heat of the day
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