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Plastic Free Delhi through “Plogging”, Promised EU And India

Swedish fitness trend to clean delhi

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Plastic Free Delhi through
Plastic Free Delhi through "Plogging" Promised EU And India, Pixabay

Indian and EU runners jogged around India Gate and kept picking up litter around the iconic monument to make a pledge for a clean and plastic free Delhi by “plogging” — a Swedish fitness trend that combines running with collecting garbage.

The event on Friday was organised by the Embassy of Sweden here and a group of ploggers of India together with the European Union ahead of the World Environment Day on June 5.

Running
Joggers also love to run on plastic-free roads. Pixabay

It was part of the European Union’s series of environmental programmes in India.

The EU delegation and missions of European Union member states in New Delhi with the support of the Ministry of Environment, Forests and Climate Change co-hosted a Conference on Plastic Pollution and Management – Sharing Best Practices at Vigyan Bhawan on Friday.

The theme of the conference organised by the Confederation of Indian Industries was in line with this year’s theme – ‘Beat Plastic Pollution’.

The EU ambassador to India Tomasz Kozlowski congratulated India for its leadership in dealing with environmental issues globally. “India is a key partner of the EU with partnerships on clean energy and climate change, water, smart and sustainable urbanization, air quality and resource efficiency,” said by Kozlowski.

Runners collecting garbage
Runners collecting garbage, Pixabay

Taking the cooperation to the next level, the Ambassador said, EU Commissioner for Environment would lead a delegation of about 50 EU businesses to India in September as part of the CII Sustainability Summit.

Also read:Green coffee weight loss regime

On June 5, the EU delegation and the embassies of the EU member states are expected to announce and adopt a “green pledge” aimed at reducing increased pollution levels by eliminating the use of single-use plastic products, saving energy through bio-gas and other technologies which India has also used previously, water resources and managing waste, managing increased greenhouse gases (CFCs, Carbondi-oxide, nitrogen etc.) and industrial pollution. (IANS)

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Researchers Create Incredibly Lightweight 18-Carat Gold Using Plastic Matrix

The researchers can even adjust the hardness of the material by changing the composition of the gold

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Gold
According to the study, gold has the material properties of a plastic. If a piece of it falls onto a hard surface, it sounds like plastic. It, however, glimmers like metallic gold, and can be polished and worked into the desired form. Pixabay

A good news for jewellry lovers. The objects of their desire may someday become much lighter, but without losing any of their glitter – especially with gold watches, as researchers have created an incredibly lightweight 18-carat gold, using a matrix of plastic in place of metallic alloy elements.

According to the study, the research team from the Swiss university ETH Zurich have developed a new form of gold that weighs about five to ten times less than traditional 18-carat gold.

The conventional mixture is usually three-quarters gold and one-quarter copper, with a density of about 15 g/cm3, the study said. Study researchers Leonie van’t Hag, Raffaele Mezzenga and team used protein fibres and a polymer latex to form a matrix in which they embedded thin discs of gold nanocrystals.

In addition, the lightweight gold contains countless tiny air pockets invisible to the eye, said the study, published in the Advanced Functional Material. According to the researchers, gold platelets and plastic melt into a material that can be easily processed mechanically.

For the finding, the research team first added the ingredients to water and created a dispersion. After adding salt to turn the dispersion into a gel, they next replaced the water in it with alcohol.

Thereafter, they placed the alcohol gel into a pressure chamber, where high pressures and a supercritical CO2 atmosphere enables miscibility of the alcohol and the CO2 gas; when the pressure is released, everything turns it into a homogeneous gossamer-like aerogel.

Heat can be further applied afterwards to anneal the plastic polymers, thus transforming the material and compacting into the final desired shape, yet preserving the 18-carat composition, the researchers said.

According to the study, this gold has the material properties of a plastic. If a piece of it falls onto a hard surface, it sounds like plastic. It, however, glimmers like metallic gold, and can be polished and worked into the desired form.

Gold
A good news for jewellery lovers. The objects of their desire may someday become much lighter, but without losing any of their glitter – especially with gold watches, as researchers have created an incredibly lightweight 18-carat gold, using a matrix of plastic in place of metallic alloy elements. Pixabay

The researchers can even adjust the hardness of the material by changing the composition of the gold. They can also replace the latex in the matrix with other plastics, such as polypropylene. Since polypropylene liquifies at some specific temperature, ‘plastic gold’ made with it can mimic the gold melting process, yet at much lower temperatures.

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The researchers noted that, while plastic gold will be in particular demand in the manufacture of watches and jewellery, it is also suitable for chemical catalysis, electronics applications or radiation shielding. (IANS)