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MNN.COM›Green Tech›Research & Innovations›Photos›

15 bizarre green inventions

15 bizarre green inventions

Photo 10 of 17  
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Photo: Hoyoung Lee/Yanko Design

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anonymous
Martin 03/19/2012 20:33 PM

lead in pencil? graphite is the material in pencil. Anyone knows that.

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anonymous
ret 02/29/2012 08:06 AM

So, it wastes pencil wood to print, and requires proprietary erasers to "save" paper?

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anonymous
john 02/14/2012 10:18 AM

They should invent one of these that works with ink. Like you put in pens or ink cartridges and it uses the ink to print out information on the page. Possible put in multiple cartridges or pens to produce different colours. Amazing idea!

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anonymous
Anonymous 02/29/2012 10:08 AM

wow good idea but i think they already did something along those lines called a printer...?

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anonymous
jssc24 07/04/2011 04:11 AM

This would be pretty awesome.

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anonymous
smithgun2011 05/21/2011 03:52 AM

Is there a demand for copies in pencil?

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Pencil printer

When Hoyoung Lee’s concept printer becomes reality, you’ll never throw away another pencil stub and never buy another ink cartridge. The pencil printer separates the wood from pencils and uses the lead to print documents. There’s even a built-in eraser component that allows you to remove text from a page and reuse the paper, so you’ll be saving money and trees.
 
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