A pencil is not never ends. "Ink" infinite . There
to sharpen it, do not buy spare parts, not charging, not spent ... for once it seems that one thing is forever. Well, diamonds too, but get a little more expensive and write with them is a drag. And all thanks to lead .
Inkless Metal Pen
is one of those little things that make good each of the letters of his name, it offers exactly that, a metal pen ink. They could also have added that your grandchildren will continue writing to him because he does not use or graphite or ink, both materials subject to rapid wear which must be replenished in the form of spare parts or new mines.
The tip of this pen is made of lead and writing derive from the same small particles of gold that are attached to the role following the paths that you realize that writing and training you have that no one understands. The amount of these particles is sufficient for the role sufiecientemente be written but at the same time is negligible for the density of the "mine" of lead, which does not wear and can last for an almost endless without being replaced.
course or stain or drip and has the added advantage that you can still use this pen in the unlikely event you ever find yourself in zero gravity . You know, in the space race, NASA spent an obscene amount of money developing a pen that have such a drive system capable of being operated ink in weightless space, but there was no way that worked well. The Russians, meanwhile, led pencils (Conventional) at its cosmonaves.
Although in essence, by its nature, is more like a pencil, Inkless Metal Pen has the properties of the pens, for writing is indelible can not be erased with an eraser. It costs $ 28, expensive pencil, yes, but let's use it out of boredom, not because he is exhausted or spent. Antonio Rentero
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Source.: http://www.gizmodo.es/
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