منابع مشابه
What are Stem Cells?
Stem cells are undifferentiated self regenerating multi potential cells. There are three types of stem cells categories by the ability to form after cells and correlated with the body’s development process. Totipotent: these stem cells can form an entire organism such as fertilized egg. Ploripotent: ploripotent cells are those that can form any cell in the body but cannot form an entire organ...
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Concurrently with the recent, rapid adoption of 3D printing technologies, online sharing of 3D-printable designs is growing equally rapidly, even though it has received far less attention. We study remix relationships on Thingiverse, the dominant online repository and social network for 3D printing. We collected data of designs published over ve years, and we nd that remix ties exhibit both hom...
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The era of affordable 3D printing is clearly underway; indeed, the historical patterns of growth in 3D printing are, in many ways, strikingly similar to those associated with the growth of home computing in the late 1970’s. One of the prominent areas of increased interest in 3Dprinting is in the realmof education: fabrication tools are becoming available to college undergraduates and high schoo...
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In 2013, the first gun printed out of plastic by a 3D-printer was successfully fired in the U.S. This event caused a major media hype about the dangers of being able to print a gun. Law enforcement agencies worldwide were concerned about this development and the potentially huge security implications of these functional plastic guns. As a result, politicians called for a ban of these weapons an...
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ژورنال
عنوان ژورنال: Workplace Health & Safety
سال: 2018
ISSN: 2165-0799,2165-0969
DOI: 10.1177/2165079917750408