Quality Transmission Components is offering the free Q460 catalog, featuring more than 9,175 power transmission components. The 368-page catalog includes Econobelt timing belts and pulleys in 11 profiles, more than 330 Zetasassi belt and chain tensioners, and new products such as spur, worm, and miter gears, as well as roller chains and planetary gearheads. To request a free catalog, go to www.econobelt.com or www.qtcgears.com.
Two different shape-shifting polymers have been announced from two different universities: Wyss Institute at Harvard University and Zhejiang University in eastern China. Both of them change their shapes when immersed in water, and the one from Wyss Institute was made with 3D-printing techniques.
When you think of the DARPA Robotics Challenge, you may imagine complex humanoid contraptions made of metal and wires that move like a Terminator Series T-90. But what actually happened at the much-vaunted event was something just a bit different.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.