your-feed-science

Lithium-Ion Batteries Work Earns Nobel Prize in Chemistry for 3 Scientists

Akira, Alternative and Renewable Energy, Batteries, Chemistry, Electric and Hybrid Vehicles, Goodenough, John B., Lithium (Metal), M. Stanley, Nobel Prizes, Technology NEWS, Whittingham, Yoshino, your-feed-science / Good To SEO

The Royal Swedish Academy of Sciences on Wednesday awarded the 2019 Nobel Prize in Chemistry to three scientists who developed lithium-ion batteries, which have revolutionized portable electronics and are very likely powering a device you’re using now to read this article. Larger examples of the batteries have given rise to electric cars that can be […]

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Online Map Leads Archaeologist to Maya Discovery

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Until recently, archaeology was limited by what a researcher could see while standing on the ground. But light detection and ranging, or lidar, technology has transformed the field, providing a way to scan entire regions for archaeological sites. With an array of airborne lasers, researchers can peer down through dense forest canopies or pick out

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Transformative? New Device Harvests Energy in Darkness

Aaswath, Alternative and Renewable Energy, Batteries, Electric Light and Power, Electric Light Bulbs, Energy Efficiency, Engineering and Engineers, Fan, innovation, Joule, light, Physics, Raman, Shanhui, Solar Energy, Technology NEWS, your-feed-science / Good To SEO

Aaswath Raman was driving through a village in Sierra Leone in 2013 when an idea came to him as suddenly as, perhaps, a light bulb switching on. The village was not equipped with electricity, and Dr. Raman, an electrical engineer at the University of California, Los Angeles, was unaware he was in a village until

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Nursing Homes Are a Breeding Ground for a Fatal Fungus

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Maria Davila lay mute in a nursing home bed, an anguished expression fixed to her face, as her husband stroked her withered hand. Ms. Davila, 65, suffers from a long list of ailments — respiratory failure, kidney disease, high blood pressure, an irregular heartbeat — and is kept alive by a gently beeping ventilator and

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Juul Illegally Marketed E-Cigarettes, F.D.A. Says

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Juul Labs, the dominant e-cigarette company, violated federal regulations by selling its vaping products as a safe alternative to traditional tobacco cigarettes without approval from the Food and Drug Administration, the agency said in a warning letter on Monday. The F.D.A. issued its warning amid a public health crisis over more than 400 cases of

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New York State Suspects Vitamin E May Have Played a Role in Vaping Illnesses

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Health officials in New York State said on Thursday that they are investigating a possible cause of a recent surge in severe vaping-related illnesses: a compound called vitamin E acetate. The state Department of Health said in a news release that “very high levels” of the compound had been found in 13 samples from eight

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How Many Triangles Are There? Here’s How to Solve the Puzzle

Carnegie Mellon University, Loh, Mathematics, Po-Shen, Puzzles, Social Media, Technology NEWS, your-feed-science / Good To SEO

Indeed, there are as many ways to create that triangle as there are ways to choose lines 1, 2 and 3. Jumble the digits every which way: 123, 132, 213, 231, 312, 321. There are six possibilities; likewise, any triangle in the diagram could be created six possible ways. So now, divide out the redundancy.

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