not going to usher in an era of widespread possession of a weapon, but it illustrates the impact that these printers have in our lives
first weapon in the world, almost entirely with a 3D printer has exploded in the U.S. successfully. But it will not usher in an era of widespread possession of a weapon, and certainly no evidence that the 3D printing technology should be monitored by our security.
gun - called the "liberator" and produced by the Defense distributed a group described as the goal to "defend civil liberties popular access to weapons" to "information and knowledge relating to 3D printing arm "- is the second that has hit the headlines over the past year In July, an American gunsmith prints the lower receiver for an AR-15, a type of modular assault rifle popular among. . amateurs Although not being able to take only one component is legally considered a firearm in the United States, so that the rest of the gun - the barrel, trigger, cartridges and other - you can buy without a license
The Liberator is a more serious problem. All necessary parts can be printed on a 3D printer striker except metal, which is made of a single nail. (To comply with the laws of the United States, the pistol as product also includes a portion of 175 g of steel inside, so no metal detectors bypasses). It is a weapon all the way, and so recognizable.
- But still technically simple. This is because the principle behind a barrel is not too difficult: loading a ball in a reinforced tube and hit the back of the same strength. This is an engineering problem of street gangs in the 1950s to solve with wooden boxes and antenna elastic bands, build "zip guns" to shoot each other, and is also the basis for air rifles and pistols converted to plug the hard things -. learning to shoot accurately, repeatedly, without jams or blowing in the face - is still a long way to go for 3D printers, and even better. weapon for 3D printed is dependent on another person to make gunpowder.
- The scandal surrounding the printing arm shows the true 3D printing will be the impact on our daily lives. By expanding the scope of "digital goods" in the physical world, extends to questions we have been struggling with the Internet time - how to control instructions piracy copy protection, encryption of files or bomb making ( apparently followed the last instructions of brothers in Boston lethal Tsarnaev) - a new field
Although there are drawbacks for some, others benefit greatly. Initiatives such as Project Gutenberg or Google's plan to digitize all print books in English have significantly increased the proportion of human knowledge available to the average person, and if you're struggling to restore a century-old car the fact that the company that has that has not existed for 30 years and did not prevent him from being able to print the right to restart.
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