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Sixteen bottles of wine riddle

Imagine the typical everyday scenario in which you have been imprisoned in the wine cellar of an evil combinatorialist. She promises to let you go, but only if you can solve her riddle. “Is it the one where there are 1000 barrels of wine and one of them is poisoned?” “Uh, maybe? Do you already know the answer to that one?” “…” You’re lead past a conspicuous amount of barrels and into a new room where you’re given a bottle of wine and four measuring devices. The combinatorialist explains that t

Sixteen Bottles of Wine Riddle

Imagine the typical everyday scenario in which you have been imprisoned in the wine cellar of an evil combinatorialist. She promises to let you go, but only if you can solve her riddle. “Is it the one where there are 1000 barrels of wine and one of them is poisoned?” “Uh, maybe? Do you already know the answer to that one?” “…” You’re lead past a conspicuous amount of barrels and into a new room where you’re given a bottle of wine and four measuring devices. The combinatorialist explains that t

Foldable phones are thin and light in 2025, so why are these brands bending the truth?

Paul Jones / Android Authority TL;DR A Twitter user has shown that the Galaxy Z Fold 7 is thinner than the HONOR Magic V5. It turns out both HONOR and OPPO measure their foldables without the protective inner screen film. A closer look at product pages also reveals that some brands don’t include these layers when weighing their foldables. HONOR launched the Magic V5 in China earlier this month, and the company claimed that the white version was the world’s thinnest foldable phone at 8.8mm. H

New quantum paradox clarifies where our views of reality go wrong (2018)

That quantum mechanics is a successful theory is not in dispute. It makes astonishingly accurate predictions about the nature of the world at microscopic scales. What has been in dispute for nearly a century is just what it’s telling us about what exists, what is real. There are myriad interpretations that offer their own take on the question, each requiring us to buy into certain as-yet-unverified claims — hence assumptions — about the nature of reality. Now, a new thought experiment is confro

New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong

That quantum mechanics is a successful theory is not in dispute. It makes astonishingly accurate predictions about the nature of the world at microscopic scales. What has been in dispute for nearly a century is just what it’s telling us about what exists, what is real. There are myriad interpretations that offer their own take on the question, each requiring us to buy into certain as-yet-unverified claims — hence assumptions — about the nature of reality. Now, a new thought experiment is confro

Can You Trust the Data in a Privacy-First World?

Online advertising powers much of the internet economy, but collecting user data across platforms raises significant privacy concerns. Researchers from TikTok Inc., Duke University, and Penn State University have developed a solution that balances measurement accuracy with privacy protection. In their paper “Click Without Compromise: Online Advertising Measurement via Per User Differential Privacy,” Yingtai Xiao, Jian Du, Shikun Zhang, Wanrong Zhang, Qian Yang, Danfeng Zhang, and Daniel Kifer i