Scientists create lightweight 18-carat gold using ordinary plastic

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Researchers with ETHzurich have successfully used plastic to create lightweight gold that retains its purity, according to a recent announcement from the institution. The lightweight gold is ideally suited for products like jewelry and watches — things that would benefit from a reduction in weight without a loss in gold purity or beauty.

The gold found in jewelry is made with metallic alloys that help reduce the weight, though some pieces of jewelry may still be too heavy to suit some buyers. The newly created 18-carat gold replaces the metallic alloy elements with a ‘matrix of plastic,’ reducing the density from a typical 15 g/cm3 to 1.7 g/cm3.

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The dollar will be replaced by gold and cryptocurrency by 2040

Fiat money will lose its significance to gold and the cryptocurrencies in the next twenty years, said Robert Kiyosaki, bestselling author of “Rich Dad Poor Dad” and his latest ,”Why The Rich Are Getting Richer.”

The self-proclaimed gold bug is one of few investors to be bullish on both bitcoin and gold, noting that the cryptocurrency will slowly erode fiat currencies’ relevance, while gold will act as an important hedge instrument.

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Researchers demonstrate new method for harvesting energy from light

Hybrid optoelectronic nanostructures with controlled variation in photoconduction properties.

University of Pennsylvania reasearchers have demonstrated a new mechanism for extracting energy from light, a finding that could improve technologies for generating electricity from solar energy and lead to more efficient optoelectronic devices used in communications.

 

 

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BYU Chemists Turn Gold to Purple, on Purpose

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Chemists developed a method of artificial photosynthesis, and proved it by turning gold atoms into purple-colored nanoparticles.

Professor Richard Watt and his chemistry students suspected that a common protein could potentially react with sunlight and harvest its energy – similar to what chlorophyll does during photosynthesis.

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