Lou, recyclable and recycled composites and plastics are a subject that's getting more attention all the time. We covered it here: http://www.designnews.com/author.asp?section_id=1392&doc_id=271489 Since recycled polymers are already being used in heavy truck parts, bridges, and Ford's car seats, among many other uses, it's clear that they must meet the same performance standards as any other plastics. Making materials recyclable is also being investigated. Recycling composites, though, especially carbon fiber-reinforced ones, is a lot more difficult. One of the biggest problems in recycling plastics is when they're made of multiple materials, as composites are. The companies mentioned in the story at the link I gave are pioneers. Some are also working on making carbon composites recyclable.
Ann, I was just talking to my son this morning about cars made from carbon fiber composites and comparing them to cars made from aluminium. Since steel and aluminium are easily recyclable, it makes sense to use them when appropriate. On the other hand, if more composite materials are used I think that there should be standards for recyclability. This material seems to be a good first step.
The company that brought you 3D-printed eyeglasses has launched both an improved clear polymer material for 3D printing optical components and a high-speed, precision, 3D-printing process for making small- and medium-sized batches in a few days.
We've found an amazing variety of robot hands & arms in medicine, space, and service robots, as well as R&D and assembly. Some are based on industrial designs modified for speed or dexterity, while others more closely emulate human movements, as well as human size and shape.
To give engineers a better idea of the range of resins and polymers available as alternatives to other materials, this Technology Roundup presents several articles on engineering plastics that can do the job.
The first photos made with a 3D-printed telescope are here and they're not as fuzzy as you might expect. A team from the University of Sheffield beat NASA to the goal. The photos of the Moon were made with a reflecting telescope that cost the research team £100 to make (about $161 US).
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