The single phase units are now
available in 100VA up to 25kVA ratings and input voltage ranges of 120 to 480V
ac. All units are encapsulated with electrical grade silica sand and resin
compounds to protect the core and coils, sealing out moisture and airborne
contaminants and eliminating corrosion and deterioration. The NEMA 3R
enclosures meet or exceed NEMA and ANSI standards for indoor and outdoor
applications, and are UL and CSA listed as well as CE approved. The Fortress series
encapsulated power transformers are backed with a 10-year limited warranty.
Prices start at $77.
The Beam Store from Suitable Technologies is managed by remote workers from places as diverse as New York and Sydney, Australia. Employees attend to store visitors through Beam Smart Presence Systems (SPSs) from the company. The systems combine mobility and video conferencing and allow people to communicate directly from a remote location via a screen as well as move around as if they are actually in the room.
An MIT research team has invented what they see as a solution to the need for biodegradable 3D-printable materials made from something besides petroleum-based sources: a water-based robotic additive extrusion method that makes objects from biodegradable hydrogel composites.
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.