Tagged: engineering

4-minute course Japanese Rube Goldberg machine

Japanese have made an impressive Rube Goldberg machine with a 4-minute course. The beads move in a chain reaction divided into several more complex steps, including the one with a whiteboard that turns to...

DLP projector stereolithography 3D printer

In this video Bill, the engineer guy, explains some of the engineering principles underlying the design of a DLP (digital light processing) 3D Printer. The printer featured is an Ember printer, manufactured originally by Autodesk,...

Crushing 1500 sheets of paper with hydraulic press

1500 sheets of paper and some pulp vs. our 144 ton Hydraulic press… How the Hydraulic Press works Since the hydraulic press works on the basis of Pascal’s Law, its working is similar to...

Japanese sumo robots

Robot sumo wrestling has been around for years, but the best-of video compilation is quite an eye-opener for the uninitiated. These robots are fast, furious and brutal. Most of the matches last mere seconds....

Brave new world of nanotechnology

Manmade nanoparticles are being added to more and more foods, drugs, and other products and are ultimately finding their way into the environment. The name of these minuscule particles comes from the word “nanometer,”...

Enigma machine

Like all the best cryptography, the Enigma machine is simple to describe, but infuriating to break. Straddling the border between mechanical and electrical, Enigma looked from the outside like an oversize typewriter. Enter the...

Are GMOs good or bad?

In most cases, GMOs have been altered with DNA from another organism, be it a bacterium, plant, virus or animal; these organisms are sometimes referred to as “transgenic” organisms. A gene from a spider that...