DO YOU KNOW::

in #information • 8 years ago

IMG_20180329_083936.jpg

IMG_20180329_083721.jpg

IMG_20180329_083610.jpg

DO YOU KNOW::
Your hair acts like a crumple zone on your skull.A forcevof 5N might be enough to fracture your naked skull (cranium), butt with a covering of skin and hair, a force of 50N would be needed.

#hair #steemit #knowledge
8 years ago in #information by
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