![Where do math symbols come from? via John David Walters on YouTube [Video] [Shared]](https://welchwrite.com/blog/wp-content/uploads/2022/05/Where_do_math_symbols_come_from__John_David_Walters.gif)
Where do math symbols come from? via John David Walters on YouTube [Video] [Shared]
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Category: Science
![Mount Wilson Observatory, California via Instagram [Photography]](https://welchwrite.com/blog/wp-content/uploads/2022/05/mount-wilson-fog.jpg)
Mount Wilson Observatory, California via Instagram [Photography]
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![100” Telescope, Mount Wilson Observatory, California via Instagram [Photography]](https://welchwrite.com/blog/wp-content/uploads/2022/05/100-inch-telescope.jpg)
100” Telescope, Mount Wilson Observatory, California via Instagram [Photography]
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![Air Gyro via TikTok [Science] [Video] [Shared]](https://welchwrite.com/blog/wp-content/uploads/2022/03/air-gyro.png)
Air Gyro via TikTok [Science] [Video] [Shared]
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![A chart of imperial and customary units! via dexter.mp4 on TikTok [Shared] [Video]](https://welchwrite.com/blog/wp-content/uploads/2022/02/measurements.png)
A chart of imperial and customary units! via dexter.mp4 on TikTok [Shared] [Video]
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![How to Quiet Your Mind Chatter – Nautilus via Science Connected [Shared]](https://welchwrite.com/blog/wp-content/uploads/2022/02/18246_c0ef730f5d58968ab89957d008952474.jpg)
How to Quiet Your Mind Chatter – Nautilus via Science Connected [Shared]
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Citizen Science Opportunity: NASA GLOBE Cloud Challenge 2022: Clouds in a Changing Climate
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How to Grow Sodium Chloride Crystals at Home via Crystalverse [Shared]
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![X-rays reveal secrets of 14th-century tomb of England’s infamous Black Prince | Ars Technica [Shared]](https://welchwrite.com/blog/wp-content/uploads/2021/12/blackprinceTOP-800x533-1.jpg)
X-rays reveal secrets of 14th-century tomb of England’s infamous Black Prince | Ars Technica [Shared]
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![Wonderfully Detailed Portraits of Insects Taking Flight via Laughing Squid [Shared] [Video]](https://welchwrite.com/blog/wp-content/uploads/2021/12/Insects-in-Flight.gif)
Wonderfully Detailed Portraits of Insects Taking Flight via Laughing Squid [Shared] [Video]
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How to Bury an Entire Museum via Messy Nessy
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Why We Picture Bombs As Round Black Balls with a Burning Wick via Atlas Obscura [Shared]
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![First Viking Ship Excavation in Norway in 100 years // Gjellestad Boat Burial via Pete Kelly on YouTube [Video] [Shared]](https://welchwrite.com/blog/wp-content/uploads/2021/07/viking-ship.jpg)
First Viking Ship Excavation in Norway in 100 years // Gjellestad Boat Burial via Pete Kelly on YouTube [Video] [Shared]
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Procedural butterfly generator via Boing Boing [Shared}
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![Listening To #41 – Pencils via The Boring Talks [Audio] [Podcast]](https://welchwrite.com/blog/wp-content/uploads/2021/05/626x0w.jpg)
Listening To #41 – Pencils via The Boring Talks [Audio] [Podcast]
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