Often the problem is getting to know why something works.
According to Richard Feynman the problem with that again is in the why part:
Why do magnets repel each other? The answer may surprise you in a different way than you'd imagine.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gmeter or 0.13 Mmile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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