In Rome, around the year 400, a scribe and three painters created an illuminated manuscript of Virgil’s Aeneid, illustrating the ancient hero Aeneas’ journey from Troy to Italy. 1,600 years later, the Vatican has digitized the surviving fragments of this manuscript.
Feedback control has begun to advance in the working of metals. Presenting the first account of a milling machine that converts information on punched tape into the contours of a finished part.
by William Pease
THE metal-cutting industry is one field in which automatic control has been late in arriving. The speed, judgment and especially the flexibility with which a skilled machinist controls his machine tool have not been easily duplicated by automatic machines. Only for mass-production operations such as the making of automobile parts has it been feasible to employ automatic machinery. New developments in feedback control and machine computation, however, are now opening the door to automatization of machine tools built to produce a variety of parts in relatively small quantities.
The problem will be clearer if we first review briefly the history of machine tools and their relationship to manufacturing processes. The story begins in the last quarter of the 18th century. Prior to that time the tools of the millwright, as the machinist of that day was called, consisted chiefly of the hammer, chisel and file. His measurements were made with a wooden rule and crude calipers. His materials were prepared either by hand-forging or by rudimentary foundry casting. Crude, hand-powered lathes were already in existence, but they were used only for wood-turning or occasionally for making clock parts.
Artur Coelho's insight:
parece, de acordo com o neil gershenfeld (que é capaz de perceber disto), que este é o antepassado das cnc, máquinas de corte laser e impressoras 3D.
In December 1964, over a single evening session in Englewood Cliffs, New Jersey, John Coltrane and his quartet recorded the entirety of A Love Supreme. This jazz album is considered Coltrane’s masterpiece – the culmination of his spiritua
What you’re seeing in the above gif is the innards of the BB-8 model that flatly disproved fan theories that the beloved droid could only exist as a CGI creation. On a panel with the animatronics experts behind The Force Awakens, we learned that there is in fact a small army of BB-8s, all purpose-built for different applications, and the remarkable engineering in the gif above was strictly for Hollywood’s red carpet.
The history of numerical control (NC) began when the automation of machine tools first incorporated concepts of abstractly programmable logic, and it continues today with the ongoing evolution of computer numerical control (CNC) technology.
Hi everyone, last time I saw a funny robot to teach kids robotics(you can get more information on their Kickstarter page). But I am more interested in the graphical programming language mBlock. It is said to be a free graphical programming environment (based on Scratch 2.0) with new features of allowing you to program Arduino and robotics. Users can download from here http://mblock.cc/download/.For now, 15+ improvements and 50+ hardware-related script blocks have been made for kids to program easily. Here are some features may interest you:Based on scratch 2.0 developed by MIT Media Lab, beautiful interface and easy for everyone. Free & source code: the software is free and support Window & Mac system. We will also open the source code later.Support wireless communication: Bluetooth, 2.4GHz wireless serial and WIFI are supported.Easy to use: No extension file! No plug-in! The easiest way to program your Arduino and robots.Arduino mode: perfec
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