This platform runs on a rolling ring drive and reciprocates automatically without motor reversal. Linear speed can be adjusted on the fly with a control knob on the assembly, without changing speed or reducing gears. No electronics or programming is needed - speed and travel direction are controlled mechanically. The platform is low maintenance, with no hydraulics or pneumatics, and only a light shaft lubrication once every three months in the linear drive. Adjustable end stops can increase or decrease length of travel. Precision-machined components limit vertical and horizontal platform movement to within ± 0.001 inches, and rolling ring bearings compressed against the shaft inside the drive make for zero play and backlash-free motion. A modified reversal mechanism makes for smooth, jarring and jerking-free reversal.
Artificially created metamaterials are already appearing in niche applications like electronics, communications, and defense, says a new report from Lux Research. How quickly they become mainstream depends on cost-effective manufacturing methods, which will include additive manufacturing.
Sharon Glotzer and David Pine are hoping to create the first liquid hard drive with liquid nanoparticles that can store 1TB per teaspoon. They aren't the first to find potential data stores, as Harvard researchers have stored 700 TB inside a gram of DNA.
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.