Reliance(reg) VTAC 7 A-C variable-speed drive is for precise control of HVAC fans, pumps, and blowers. Available in 1 to 10 hp, 208/230V, and 1 to 150 hp 460V ratings with flux vector quiet control, the VTAC 7 A-C drive uses IGBT switching technology to ensure quiet motor operation. A simple LED keypad helps with set-up, control, diagnostics, and metering. Standard RS232 port and configuration software gives users quick access to all program variables and diagnostic information.
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.