News tagged with polystyrene

Cotton waste becomes biodegradable packaging

Proprietary agricultural waste blends provided by U.S. Department of Agriculture (USDA) scientists to industry partners are being used in a new process that literally grows custom packaging products to protect ...

Dec 10, 2013
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Sorting plastic waste: A magnetic game

More than one third of the total plastic production in Europe—about 14 million tonnes per year—are polyolefins, also known as polyalkenes. This is a family of polymers used for the manufacture of a variety ...

Jun 14, 2013
4.8 / 5 (9) 4

Recycling farm plastics gains momentum

(Phys.org) —On today's farms, plastic is as ubiquitous as dirt. From plastic film that wraps silage to leftover pesticide containers to the thin trays that hold seedlings, plastic plays an important role. ...

May 31, 2013
5 / 5 (1) 0

Elucidating energy shifts in optical tweezers

A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...

May 08, 2013
5 / 5 (1) 0

Basic science in evaporating droplets

What happens if you slowly evaporate a droplet containing dissolved particles? The question sounds simple, but it involves a surprising amount of basic physics and mathematics. Hanneke Gelderblom of the University ...

Apr 18, 2013
3.8 / 5 (4) 8

Nanotechnologists create minuscule soccer balls

Nanotechnologists at the University of Twente's MESA+ research institute have developed a method whereby minuscule polystyrene spheres, automatically and under controlled conditions, form an almost perfect ...

Sep 28, 2012
5 / 5 (1) 1 | with audio podcast