You're here: My Science Blogging » Discovery » Article: Eco-Friendly Solar Powered Bottle Sorter, Invention By Students
Yessi Pratiwi — December 29, 2007 / 11:00 pm
Cynthia Lin, a senior in mechanical engineering, part of team that built a solar-powered bottle sorter for the 2.009 product engineering class, which had the theme “reduce, reuse, recycle.” (Credit: Photo / Donna Coveney)
Seven teams of 18 students in this year’s 2.009 Product Engineering Processes class, taught by David Wallace, are challenged to design something based on the principles of reduce, reuse and recycle, and develop it into a prototype product. The results ranged from simple mechanical devices to complex electronic machines, but all served that central purpose in original ways.
They then came up with a wide variety of ingenious ideas. Some of the projects resulting from the class are already being tried in real-world settings and could become commercial products. One of these is a solar-powered bin that automatically sorts the recyclable bottles and cans dumped into it.
The bin, called Recycl-o-sort, is being tested in Boston’s Codman Square area as part of Family, Inc.’s recycling awareness campaign and a citywide antilitter campaign. The self-contained device uses a turntable to pass each item through three different sensors, whose readings can differentiate between glass, plastic and aluminum containers, or non-recyclable trash, directing each type into a separate storage bin.
Adapted from materials provided by Massachusetts Institute of Technology.
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