Cone Drive gear units, which promise improved seal arrangement, is now in control of the giant shutters that protect the Keck 1 telescope on Hawaii's Mauna Kea volcano, the world's largest optical and infrared telescope. The units come with modified input shafts, hollow shafts, housings, special output mounting flanges, and keeper plates in hollow bores. They also feature 14 custom 8-inch center distance HP double enveloping worm reducer units with a special ratio of 9.75:1. According to the maker, the units use taconite seal arrangements on both input and output shafts while expansion chambers provide sealed unit. Four gearboxes have been installed and commissioned on the bottom telescope shutter. Eight more will be installed on the top shutter in the next two years. For more info, go to www.textronpt.com.
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.