In today’s world, one of the things that’s more sought after than portability is a way to find mobile products. Trolley Scan (Pty) Ltd. developed what it calls RFID-radar, which measures a signal’s travel distance to identify and locate many transponders in a large reading zone. The South African developer feels the technology can be used in applications as diverse as tracking shopping carts, called trolleys in many regions, as well as retirement home patients and art in museums. Microchip Technology’s dsPIC digital controller performs 10,000 measurements per sec, letting the system handle 50 targets at once with a measuring accuracy of 0.5m at distances of up to 100m.
Conventional wisdom holds that MIT, Cal Tech, and Stanford are three of the country’s best undergraduate engineering schools. Unfortunately, when conventional wisdom visits the topic of best engineering schools, it too often leaves out some of the most distinguished programs that don’t happen to offer PhD-level degrees.
Airbus Defence and Space has 3D printed titanium brackets for communications satellites. The redesigned, one-piece 3D-printed brackets have better thermal resistance than conventionally manufactured parts, can be produced faster, cost 20% less, and save about 1 kg of weight per satellite.
A group of researchers at the Seoul National University have discovered a way to take material from cigarette butts and turn it into a carbon-based material that’s ideal for storing energy and creating a powerful supercapacitor.
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