Originally posted by OwlHoot
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Professor Shoelace
“Is it more efficient to do so while on a walkway, or off the walkway?”.
If our ONLY concern is the total time taken to get from A to B, then pausing to tie while on the walkway is indeed both intuitively and mathematically a “more efficient” use of our time.
Personally, I believe it would be “more efficient” to tie your shoes immediately upon noticing that they had come undone, regardless of whether that occurred on a walkway or not. That way, one’s energies could be devoted to pondering other more worthwhile things (such as mathematics) rather than concentrating on stepping carefully to avoid an accident due to an untied shoelace.
For even greater efficiency, those who regularly suffer from untied shoelaces would be well advised to Google the problem. The short time spent learning a better shoelace knot will invariably be far less than the combined times of thousands of re-ties over the space of a lifetime.
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