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A long-standing mathematical puzzle known as the “sofa problem,” posed in 1966 by Austrian-Canadian mathematician Leo Moser, may have finally been solved. The problem involves determining the maximum area of a single, planar shape that can navigate a right-angled corner in a hallway of unit width. This question, despite its seemingly simple premise, has confounded
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Stellantis worker at work inside of the new Hybrid and PHEV Vehicles Stellantis Group eDCT Assembly Plant on April 10, 2024 in Turin, Italy. Stefano Guidi | Getty Images News | Getty Images Automaker Stellantis and Chinese battery giant CATL on Tuesday announced plans to jointly build a 4.1 billion euro ($4.3 billion), large-scale lithium
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Labour’s rural problem has reared its head once more. This time, the government is facing down fierce opposition over changes to inheritance tax. Unless a breakthrough is achieved, Labour’s rural problem risks becoming everyone’s problem. Protesters showed no sign of backing down on Tuesday. Farmers from across rural Britain got up in the middle of
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Dec 11, 2024, 10:21 AM Open Extended Reactions Tom Curry will miss Sale’s game against Racing 92 on Friday. Jan Kruger/Getty Images for Sale Sharks England and Sale Sharks flanker Tom Curry is having stem-cell therapy on his hip in a bid to play at the 2027 Rugby World Cup. Curry had career-saving surgery on a
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A significant discovery has been made in Jerusalem by a team led by Dr. Azriel Yechezkel from the Hebrew University of Jerusalem. Researchers have identified 50 cave pearls within the Joweizeh Spring Tunnel, a historic waterway near Jerusalem’s Old City. Among the findings, 14 pearls contained pottery fragments, and two included plaster remains, marking the
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Photo: Nextracker Nextracker just set a milestone in US clean energy manufacturing: It has delivered the first-ever solar trackers expected to meet 100% domestic content requirements under the Inflation Reduction Act (IRA). These US-made trackers are now on their way to power SB Energy’s Pelican’s Jaw solar project in Kern County, California. (Solar trackers, typically
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