The SP MINI 92-70 Vario Power Pack stepper motor power stage with built-in power supply for wall mounting is available in a power range up to 200W. A power stage to drive two-phase stepper motors is available, and the vario flat housing may be used in switching cabinets, where it can be mounted flat onto a wall or standing off the wall. Screw-type connectors for mains and motor connectors as well as the Sub-D-type connector for control signals are useful for wiring the unit.
Phytron Inc., 1345 Main St., Waltham, MA 02154, FAX (781) 647-3526.
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.
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