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Precious Plastic is an open hardware plastic recycling project and is a type of open source digital commons project. The project was started in 2013 by Dave Hakkens and is now in its fourth iteration. It relies on a series of machines and tools which grind, melt, and inject recycled plastic, allowing for the creation of new products out of ...
Dave Hakkens (born 1988) is a Dutch industrial designer.He gained fame with his two graduation projects: Phonebloks, a concept for modular telephones, and Precious Plastic, a movement to develop and promote machines and organizations for plastic recycling.
The conventional secondary electron detector of SEM (Everhart-Thornley detector) cannot be used in the presence of gas because of an electrical discharge (arcing) caused by the kilovolt bias associated with this detector. In lieu of this, the environmental gas itself has been used as a detector for imaging in this mode:
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Mark Rober is an American YouTuber, engineer, inventor, and educator.He is known for his YouTube videos on popular science and do-it-yourself gadgets.Before he became a YouTuber, Rober was an engineer with NASA for nine years, where he spent seven years working on the Curiosity rover at NASA's Jet Propulsion Laboratory.
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This is a list of free and open-source software packages (), computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]