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Archive for the ‘materials’ category: Page 231

May 13, 2019

Plastic eating bacteria in the oceans

Posted by in categories: food, materials

Huge plastic waste dumps float in the Oceans bigger than continents. Some 10% of world’s plastic waste finds its way into the sea and ends up in the central regions where slow moving circular currents trap debris into one large constantly moving mass of plastic. This is slowly being broken down into a plastic dust that marine wildlife mistake for food. Small fish consume tiny bits of plastic as if they were normal plankton. Those fish are then consumed by larger species and the plastic contamination moves up the food chain. Over a million seabirds, as well as more than 100 thousand marine mammals, die every year from ingesting plastic debris. Some researchers estimate that there are over six kilos of plastic for every kilo of naturally occurring plankton in the Pacific plastic waste dump.

Dead seabirds having mistaken plastics for food, have been found with discarded plastic lighters, water bottle caps and scraps of plastic bags in their stomachs. / Oceanic gyres: the circular movement of the ocean waters concentrates the plastic in the centre of the oceans.

But maybe things are not as bad as it looks: scientists working on the pollution saw that it did not grow in 22 years, even if the plastic production grew fourfold. An organism may be eating plastic in the ocean, but whether the bug is green or mean remains to be seen.

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May 11, 2019

Scientists create crystal which would allow us to breathe underwater

Posted by in category: materials

A spoonful of the material can absorb the oxygen of an entire room.

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May 11, 2019

Oops! Scientists accidentally create new material that makes batteries charge much faster

Posted by in categories: materials, particle physics

Some of the most famous scientific discoveries happened by accident. From Teflon and the microwave oven to penicillin, scientists trying to solve a problem sometimes find unexpected things. This is exactly how we created phosphorene nanoribbons – a material made from one of the universe’s basic building blocks, but that has the potential to revolutionize a wide range of technologies.

We’d been trying to separate layers of phosphorus crystals into two-dimensional sheets. Instead, our technique created tiny, tagliatelle-like ribbons one single atom thick and only 100 or so atoms across, but up to 100,000 atoms long. We spent three years honing the production process, before announcing our findings.

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May 10, 2019

10 Ways Graphene Could Change The World

Posted by in category: materials

This ultra-strong, ultra-thin supermaterial could yield a technological revolution. Here are a few of its most impressive tricks so far.

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May 9, 2019

VO Underwear S8 Graphene air Pants Trace Antibacterial Blood Circulation Briefs(2-Pack)

Posted by in categories: biotech/medical, materials

Graphene underwear.


L(170÷95) Waist circumference65 leg circumference21.

XL(175/100)Waist circumference 69 leg circumference 23.

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May 9, 2019

Researchers develop viable, environmentally-friendly alternative to Styrofoam

Posted by in categories: bioengineering, materials

Washington State University researchers have developed an environmentally-friendly, plant-based material that for the first time works better than Styrofoam for insulation.

The is mostly made from nanocrystals of cellulose, the most abundant plant material on earth. The researchers also developed an environmentally friendly and simple manufacturing process to make the foam, using water as a solvent instead of other harmful solvents.

The work, led by Amir Ameli, assistant professor in the School of Mechanical and Materials Engineering, and Xiao Zhang, associate professor in the Gene and Linda School of Chemical Engineering and Bioengineering, is published in the journal Carbohydrate Polymers.

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May 8, 2019

Bizarre form of hot ice seen on Earth

Posted by in categories: materials, space

Thought to lurk deep within Neptune and Uranus, the extreme material is actually half as hot as the surface of the sun.

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May 8, 2019

New recyclable plastic can break its molecular bonds and start over

Posted by in category: materials

Plastics are useful and ubiquitous – but that’s not always a good combination. The vast majority of plastic waste can’t be recycled, meaning it ends up in landfills at best or the ocean at worst. To help curb the problem, researchers at Berkeley Lab have now designed a new type of plastic that can apparently be reduced right back to its molecular parts, before being remade over and over.

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May 8, 2019

Python for Beginners 23: Python Dictionary #machinelearning #datascience

Posted by in category: materials

Module 3 — python data structure


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May 7, 2019

New plastic material can be recycled again and again

Posted by in category: materials

Scientists have developed a new plastic material that can be recycled repeatedly.

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