7 Best Christmas Tree Stands in 2022

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Believe it or not, a Christmas tree won't stay upright on its own. Instead, you need a stable Christmas tree stand that can accommodate the type and size of tree you have. We researched dozens of the best Christmas tree stands to help you find the right one for your needs, whether you have a real tree, an artificial tree, a small tree, or a behemoth. The stands in our guide have a track record of durability, performance, and easy setup. We also outline the size and type of tree each stand is meant for. Check out our guide to the best Christmas tree skirts once you've chosen the right stand for your tree. The best Christmas tree stands in 2022 Best Christmas tree stand overall: Krinner Tree Genie Christmas Tree Stand, available at Amazon, $82.79 The German-engineered Krinner Tree Genie Christmas Tree Stand is easy to set up in a couple of minutes and keeps trees up to 12 f...
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AI-designed invisibility cloak could hide small communication devies

Artificial intelligence has helped design an invisibility cloak. The cloak could hide communication devices from detectors that use microwaves or infrared light

Technology 10 November 2022

By Karmela Padavic-Callaghan

Invisibility cloak

Invisibility cloaks work by manipulating light

Xinhua / Alamy Stock Photo

An AI-designed invisibility cloak should be able to hide objects from infrared light or microwaves and be made from readily available materials. The device, which is currently being built, could eventually be used to hide antennas and similar communication devices from detectors.

Two decades ago, the invention of metamaterials took invisibility cloaks from fiction to laboratories. We see objects because light bounces off them and into our eyes. Metamaterial cloaks hide objects by manipulating that light to make it appear to be coming from …

https://www.tausiinsider.com/ai-designed-invisibility-cloak-could-hide-small-communication-devies/?feed_id=437439&_unique_id=649dae53d2e1f

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