typodupeerror

## Comment Injury versus Pain (Score 1)776

From TFA:

"Despite all their marketing suggestions to the contrary, no manufacturer has ever invented a shoe that is any help at all in injury prevention."

And here is the keyword: Injury, as opposed to: Pain. I have been injured multiple times running in running shoes, but I have only run barefoot (7 miles on wet sand) once. So no meaningful statistics on injury can be drawn from my personal experience. I can, however, say with absolute certainty that running with shoes helps prevent pain.

I do believe that with perfect form one can run barefoot with less chance of injury than with shoes. But:

1. Your average consumer does not have perfect form. It's hard to develop perfect form.

2. About building up those callouses? Your average consumer in a 1st world country does not have the will to build up the callouses. And no one should blame them, given that they wear shoes to work and to school all their lives.

The shoe manufacturers are merely giving their consumers what they want. The consumer wants a pair of shoes to prevent the pain, and he/she is all too willing to accept the cover story that those fancy shoes prevent injury. People are much more open to say they shun injury, than to say they are too pampered to endure pain.

## Comment Re:Myth... (Score 1)500

Actually, I need to correct myself. If people in China jump so high that they escape Earth's gravitational pull, Earth might very well be knocked out of orbit, albeit by a very tiny amount.

## Comment Re:Myth... (Score 1)500

You are confusing the issue with the myth that the Earth will be knocked (permanently) out of orbit if all people in China jump up together (I am Chinese, so I can say this ;) ).

Theoretically, a big *enough* explosion CAN knock Earth out of orbit. How do you think bullets are fired from a gun?

## Comment Re:Does anyone do this right? (Score 3, Insightful)328

I concur. It really isn't that hard. I think the most intimidating part is all the preamble stuff like \documentclass \includepackage, etc, etc. So, just get someone else's latex file, and replace whatever's between \begin{document} and \end{document} with whatever you want.

As you use it often enough, eventually you would know what the things in the preamble are for, and you can streamline your latex file. From a practical point of view, you don't have to make a most streamlined latex document from day 1. Chances are your computer is powerful enough to render the any difference in compilation time insignificant.

I personally find writing equations and symbols in LyX highly inconvenient. Moving my hand back and forth between keyboard and mouse is annoying.

But then again I am just speaking for myself, who only writes documents on mathematics and not other subjects.

## Comment Re:Flatland (Score 1)630

Your father should let you decide for yourself whether it's anti-feminist, and also let you decide whether the *mathematical* ideas contained within are in anyway affected by any anti-feminist view (or the lack thereof).

## Comment Re:Don't forget the ninjas (Score 1)486

From your response I see that I was not being clear in my race car analogy. I do have a tendency to be lazy and try to use as few words as possible, and expect others to fill in the gaps.

I was referring to a situation where the criteria for world record is covering every inch of a fixed length race track in the least amount of time. A car could start at the starting point of the track and stop at the finishing point by traveling at a sub-world-record speed through a shortcut (over the grass or something), in a time less than everyone else who actually sticks to the track. I wouldn't say that driver has broken a land speed record.

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