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Environmentally-friendly

Good Thinking

Can cigarette butt-bricks build a better environment?

Cigarette butts are a bigger environmental problem than you might realize, with some 6 trillion cigarettes produced every year, creating 1.2 million tonnes of garbage. And due to the chemicals and heavy metals in the filters, that garbage is technically toxic waste. So what if we could get rid of butt litter by using them to make bricks? A team at RMIT University in Australia tried the idea out and found that not only could it reduce toxic waste, but also makes for better bricks.Read More

Materials

Colorless ink produces multiple colors when printed

While most of us may not give much thought to the dyes used in color inks, they are in fact often quite toxic. That's why scientists at Russia's ITMO University have developed a more eco-friendly alternative – a non-toxic ink that produces different colors by altering the nanostructure of the material to which it's applied.Read More

Materials

Paper waste converted into eco-friendly aerogel

Known as "frozen smoke" because of their milky translucent appearance, aerogels are among the world's lightest solid materials. Consisting of 99.8 percent air, they're highly heat-resistant and are an excellent form of insulation. Now, scientists at the National University of Singapore (NUS) have used paper waste to create one.Read More

Energy

New flow battery projected to cost 60% less than existing standard

A new organic aqueous flow battery technology promises to drastically lower the cost and sustainability of running energy storage systems. The technology, which was developed at the Pacific Northwest National Laboratory, uses low-cost and sustainable synthesized molecules rather than the usual commodity metals, and could be retrofitted to existing batteries. Read More

3D Printing

World's largest delta 3D printer could build entire houses out of mud or clay

WASP (World's Advanced Saving Project) is set to unveil Big Delta, reportedly the world's largest delta 3D printer, later this week. This 12-meter (40 ft) tall behemoth was brought to life with the purpose of building nearly zero-cost housing through the use of local materials and as little energy as possible, offering quick and inexpensive relief to disaster areas and addressing the future housing needs of a rapidly growing world population.Read More

Toyota fuel cell bus tested in Tokyo

Toyota and Hino Motors have begun testing a jointly-developed fuel cell bus in Tokyo, Japan. The brief test is designed to will help Toyota evaluate and improve the technology ahead of a possible market launch. Read More

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