A 50-year perpetual calendar made from just two pieces of brass. #perpetualcalendar #engineering #vintagetechnology #math

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How did battleships measure the distance to a target before lasers? #rangefinder #battleship #ww2history #optics

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Just in case you ever need to optimally pack 17 squares. #math #puzzles #geometry #squarepacking

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How much do you think this 2” tungsten cube actually weighs? 👀 #tungsten #tungstencube #density #physics #science

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The abacus - an ancient calculator people still use for insanely fast mental math. #abacus #math #mentalmath #calculator

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MAZE - A $10,000 puzzle book that nobody ever fully solved, and was a major inspiration for Blue Prince. #maze #blueprince #puzzlebooks #puzzle

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Help Copilot trapped me in a spreadsheet #excel #python #analytics

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Can you measure area with a pair of scissors and a scale? ⚖️ #planimeter #math #engineering #TikTokEncyclopediaContest

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This insanely cool device can calculate the area of any shape #planimeter #math #engineering #TikTokEncyclopediaContest

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The device that built bridges, planes, and rockets before calculators 📏 #sliderule #math #engineering #tiktokencyclopediacontest

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DOOM in Excel?! 👾🔫 Creating the raycasting engine #excel #doom #gaming

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Which desk set up are you locking in at? #satisfyingvideo #youpick #asmr #aiasmr

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Free datasets for all of your Excel, dashboard, and analytics projects 🆓📊 #excel #powerbi #analytics #dashboard

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Stop creating messy spreadsheets ✋🏼🛑 Start using tabular data structures #excel #data #analytics

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Have you seen this type of calculator before? Reverse Polish Notation = weird but so fast 🇵🇱 #math #Calculator #RPN #HP

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Excel’s new AI powered function, COPILOT() is here.🤖 It brings some new capabilities but has some major drawbacks #excel #AI #showcase #tutorial

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Encyclopedia-Excel