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News
Battery-like device sucks carbon dioxide out of thin air
12+ hour, 47+ min ago (402+ words) Emitting carbon dioxide into the atmosphere is easy. Pulling it back out? Not so much. Researchers have now developed a battery-like device that captures carbon dioxide from air by using a charging and discharging process. The technology relies on electricity…...
Scientists turned coffee grounds into biochar fuel in 90 seconds
1+ week, 14+ hour ago (455+ words) Millions of people around the world drink coffee to boost their energy. Researchers in South Korea have now given new meaning to the concept of coffee as fuel. The team from the Korea Institute of Geoscience and Mineral Resources (KIGAM)…...
Shape-shifting liquid stores energy, releasing it on demand
1+ mon, 5+ day ago (546+ words) A liquid that behaves like a rechargeable solar battery harvests energy from sunlight, stores it for months, and then delivers the energy when needed. The material transforms from a yellow liquid to a black gel when it charges up, and…...
Scientists have made jet fuel from plastic waste
1+ mon, 1+ week ago (492+ words) While fuel shortages due to the Iran war made some countries double down on electrification, they also highlighted one industry that could be quite literally grounded without fossil fuels: aviation. Flying relies on fossil-based jet fuels and is extremely hard…...
Solar-powered device extracts freshwater and lithium from the sea
1+ mon, 2+ week ago (449+ words) A new solar-powered desalination device could help address society’s growing thirst for freshwater and energy. The device has specially engineered solar panels that pull potable water from seawater while also extracting salts, including lithium. Because it removes salts, the system…...
Scientists made algae glow on demand. No electricity required.
2+ mon, 1+ week ago (473+ words) Nature is full of fascinating creatures that produce light. From fireflies putting on mesmerizing summer displays to fish that glow eerily in the depths of the ocean, this bioluminescence is a result of chemical reactions that produce flashes of light....
Contrails are a climate puzzle written across the sky
4+ mon, 2+ week ago (684+ words) As airlines test new routes and researchers refine models, contrails are shifting from an afterthought of flight to a potential tool for cutting the carbon footprint of aviation. At first, Shapiro and colleagues thought there must be a company they…...
There’s no such thing as a free polymer. The tradeoff at the heart of bioplastics.
4+ mon, 2+ week ago (462+ words) Bio-based plastics made from materials like sugarcane, corn, or agricultural waste have a smaller carbon footprint than plastics made from petroleum, according to a new study. But the bio-based plastics have a greater impact on natural ecosystems. Another recent study…...
A new cooling technology freezes food without warming the climate
6+ mon, 1+ day ago (430+ words) A new eco-friendly cooling device can reach temperatures as low as -12℃. The device, which does not use greenhouse gas refrigerants, is the first such system in the world to reach sub-zero Celsius temperatures. Researchers at the School of Engineering of…...
Iron-enhanced biochar could redefine what soil Is capable of
8+ mon, 2+ day ago (233+ words) Biochar modified with iron could turbocharge the removal of agricultural pollutants and boost sustainable farming in many other ways too, a new study shows. The study reviewed dozens of papers on biochar and found that while regular biochar is already…...