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Stella Zawistowski is one of the fastest crossword solvers in America, with multiple top-ten finishes at the American Crossword Puzzle Tournament and a New York Times: Sunday personal record of…
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Spread the love There was a time when there was only one game of ferromagnetism in town. Want to know your north from south? Hold up a compass. Want to stick your electricity bill to the fridge? Bang on a tiny magnetized Garfield gulping down lasagna. Of course, science had to come and complicate matters […]
Spread the love We have a new upper limit for the mass of light. According to measurements of pulsing stars scattered throughout the Milky Way and mystery radio signals from other galaxies, a particle of light – called a photon – can be no heavier than 9.52 × 10-46 kilograms. It’s a tiny limit, but […]
Spread the love They’re a familiar sight in Amazon packages: The plastic air pillows designed to keep products safe in transit, but that also end up in landfills by the billions. Now, under pressure from environmentalists to cut down on its use of plastic packaging, the world’s largest online retailer is close to replacing all […]
