Self-healing composite can make airplane, automobile and spacecraft components last for centuries
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Researchers have created a self-healing composite that is tougher than materials currently used in aircraft wings, turbine blades and other applications – and can repair itself more than 1,000 times. The researchers estimate their self-healing strategy can extend the lifetime of conventional fiber-reinforced composite materials by centuries compared to the current decades-long design-life.
In a new study, terrestrial bacteria-infecting viruses were still able to infect their E. coli hosts in near-weightless “microgravity” conditions aboard the International Space Station, but the dynamics of virus-bacteria interactions differed from those observed on Earth. Phil Huss of the University of Wisconsin-Madison, U.S.A., and colleagues present these findings January 13th in the open-access journal PLOS Biology.