The New Math of Quantum Cryptography

The original version of this story appeared in Quanta Magazine. Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the security of modern encryption. Any clever trick for solving them will doom most forms of cryptography. Several years ago, researchers found a radically new approach…

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Original Peloton Bikes Are Recalled Due to a Fall Hazard

The model can be identified by finding the PL-01 number on the label posted on the inside front fork (near the flywheel); by the red “P” logo followed by the white-colored Peloton brand name on the bike’s frame; and by its display screen, which doesn’t swivel. The bikes were sold at Peloton and Dick’s Sporting…

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Best Washing Machines of 2025, Lab-Tested and Reviewed

“Research shows that consumers say doing laundry takes too much time,” says Allie Chilicki, Consumer Reports’ market analyst for washers and dryers. “Manufacturers have been trying to address this problem with machines that have bigger capacities, shorter speed cycles, built-in pretreat features, or smart technology.” To offer even more convenience, manufacturers are also equipping newer…

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HP Coupon Codes: 5% Off | June 2025

If you don’t know where to start—and use—your HP coupon code, there’s a wide variety of options available at HP.com in terms of budget and use case, but my eye goes first to the high-end HP Omen gaming monitors, like the fantastic HP Omen Transcend 32. This 4K 240Hz monitor is a favorite among PC…

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Should You Top Off Your Car’s Gas Tank?

Adding more fuel after the gas pump clicks off can damage the charcoal canister by saturating it with fuel and cause the check-engine light to illuminate. If the ORVR is damaged, it won’t adequately capture those harmful vapors. The system typically lasts the lifetime of a car, but topping off could lead to an avoidable…

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OpenAI Signs $38 Billion Deal With Amazon

OpenAI has signed a multi-year deal with Amazon to buy $38 billion worth of AWS cloud infrastructure to train its models and serve its users. The deal is yet another sign of the AI industry becoming increasingly entangled, with OpenAI now at the center of major partnerships with industry players including Google, Oracle, Nvidia, and…

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