Cell phones emitting the most radiation
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Switzerland has the longest suspension pedestrian bridge
The ropes that hold the bridge weigh about eight tons, and it is equipped with a system that prevents swaying.
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The hardest wood in the world belongs to the Schmidt birch. This tree is so strong that it is simply impossible to cut it down with a conventional axe.
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An addon has appeared that embeds ChatGPT into Google Spreadsheets and Docs.

It can write entire paragraphs and procedures, sort and clean lists, make analyses, write responses to comments, give prompts, translate, and much more.

Link to extension
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He can walk on water
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🇬🇧 A young Winston Churchill in uniform. 1895
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Sicily
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That's 77kg btw

Acoustic dispersion

When a sound wave passes through a solid medium (e.g. ice), high and low frequencies separate. Being faster, the high-frequency waves travel ahead of their low-frequency counterparts. As a result, you may hear a gap between the high notes and the low notes contained in the same sound.
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And you can have fun with physics, too.
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This hydroponic farm in the Australian desert uses solar panels to desalinate sea water and grow tomatoes.
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Abraham Lincoln and George McClellan after the
Battle of Antietam in 1862.
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