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Tag Archives: Stuff

The stuff that planets are made of

Is there a second Earth out there in space? Our knowledge of planetary systems far, far away is increasing constantly, as new technologies continue to sharpen our gaze into space. To date, 3,700 planets have already been discovered outside our solar system. The planetary masses and radii of these exoplanets ...

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Why Big Stuff Cools Off Slower Than Small Stuff

Welcome to another chapter in my ongoing saga entitled “big things are not small things.” In this edition of big vs. small, let’s look at hot stuff. Here I have three aluminum objects. A large block, a small block, and a heat sink. Just for reference, the big block is ...

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This Robot Hand Taught Itself How to Grab Stuff Like a Human

Elon Musk is kinda worried about AI. (“AI is a fundamental existential risk for human civilization and I don’t think people fully appreciate that,” as he put it in 2017.) So he helped found a research nonprofit, OpenAI, to help cut a path to “safe” artificial general intelligence, as opposed ...

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A Lot of Weird Stuff Has Been Happening in the Oceans

The oceans have been acting weird lately. While some sea creatures have boomed (octopuses), others have busted (humpback whales), and yet others literally melted into goo (starfish). Whether the causes are El Niño or the “Blob” or ultimately climate change, these events point to just how interconnected and poorly understood ...

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