Man-made muscle fibers help scientists understand strain on plastics

Scientists tasked with creating better plastic films have been at a loss when it comes to observing how synthetic polymers react under mechanical stress – the polymers are just too small for a microscope to keep track of while being stretched. Now a team of physicists from Technische Universitaet Muenchen (TUM) has come up with a solution. They’re using a muscle filament protein to build polymer networks that can be observed by a microscope, and by doing so have already determined why some polymers get tougher with repeated stress, while others get softer.

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