‘Nasty’ Geometry Breaks a Decades-Old Tiling Conjecture

Mathematicians predicted that if they imposed enough restrictions on how a shape might tile space, they could force a periodic pattern to emerge. They were wrong.

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This App From Schneider Electric Can Help Optimize Your Home’s Energy Use—for a Price

Schneider Electric’s app-controlled electricity management hardware gives you more control over your power consumption. Are the utilities savings worth it?

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Garmin Forerunner 255 Review: Great Running Watch

Garmin's latest wearable for runners and triathletes adds a new Morning Report to track your daily fitness.

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Apple’s VR Vision Comes Into Focus

Plus: Microsoft stops selling Windows 10, Substack gets a supersecret Finsta mode, and TikTok tweaks its DMs.

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A Link to News Site Meduza Can (Technically) Land You in Russian Prison

Plus: Hive ransomware gang gets knocked offline, FBI confirms North Korea stole $100 million, and more.

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The American West’s Salt Lakes Are Turning to Dust

A new research and monitoring program aims to conserve threatened but overlooked saline ecosystems.

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14 Best Deals: TVs, Wireless Earbuds, Soundbars

Now is the time to grab a big screen for the Super Bowl.

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Why 'Velma' Is the Internet’s New Punching Bag

The show’s got cred and lots of viewers, yet it’s still in the social media crosshairs. Blame the character’s legacy.

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Doctors, Get Ready for Your AI Assistants

Hospitals have begun using machine learning to help analyze and collect images, and the medical applications are endless.

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'Menswear Guy' Marks a Shift in Twitter's Main Characters

It used to be someone who stepped into the fray. Now, it can be anyone.

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