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A team of Kaust chemical engineers has designed a sustainable thin-film composite membrane made from a natural nontoxic polymer derived from shrimp shell waste. (Kaust )
Green Filtration System

Introducing a Sustainable Thin-Film Composite Membrane Made from Shrimp Shells

Researchers at the Kaust University in Saudi Arabia have developed a sustainable thin-film composite membrane which is produced from shrimp shells, plant extracts and recycled plastic. The newly developed green composite membrane which can be widely used across various industrial applications such as wastewater treatment, gas separation and chemicals production has the potential to replace conventional membranes.

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The proton (red) — has a radius of 0.84 femtometers (fm). Also shown in the figure are the three quarks that make up the proton and the gluons that hold them together. (Dr. Yong-Hui Lin/University of Bonn)
Germany: Particle Physics

Are Protons Even Smaller Than We Thought?

A few years ago, a novel measurement technique showed that protons are probably smaller than had been assumed since the 1990s. The discrepancy surprised the scientific community. Physicists at the University of Bonn and the Technical University of Darmstadt have now developed a method that allows them to analyze the results of older and more recent experiments much more comprehensively than before.

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