སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང
Mathematics
བིལུ་པིརིན་ཊི ༤༤ ཡོད
བིལུ་པིརིན་ཊི (༤༤)
The Mercator Map — Peel an Orange and See Why Flat Maps Lie
Mark གྱིས
Renaissance (1400–1600)
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Snell's Law — Measure How Light Bends (Laser and Protractor)
Penny གྱིས
Scientific Revolution (1600–1760)
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Trigonometry — Build a Clinometer and Measure a Tree's Height
Mark གྱིས
སྔོན་རབས
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Galileo's Falling Bodies — Race a Ball Down a Ramp
Penny གྱིས
Scientific Revolution (1600–1760)
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The Number e — Grow Money and Meet the Constant of Change
Mark གྱིས
Scientific Revolution (1600–1760)
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The Birth of Probability — Roll the Dice and Find the Odds
Mark གྱིས
Scientific Revolution (1600–1760)
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Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
Mark གྱིས
Scientific Revolution (1600–1760)
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Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding
Mark གྱིས
Scientific Revolution (1600–1760)
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Newton's Method — Chase a Root Down Tangent Lines You Draw
Mark གྱིས
Scientific Revolution (1600–1760)
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Pascal's Triangle — Build a Pyramid of Numbers by Adding
Mark གྱིས
Scientific Revolution (1600–1760)
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Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
Mark གྱིས
བར་དུས
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Fibonacci Numbers — Count the Spirals on a Pinecone
Mark གྱིས
བར་དུས
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Perfect Numbers — Find the Numbers That Equal Their Own Parts
Mark གྱིས
སྔོན་རབས
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Heron's Square Roots — Fold a Rectangle Toward a Square
Mark གྱིས
སྔོན་རབས
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Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips
Mark གྱིས
སྔོན་རབས
༡༧
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Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
Mark གྱིས
སྔོན་རབས
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Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²
Mark གྱིས
སྔོན་རབས
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Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
Astro གྱིས
བར་དུས
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Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons
Mark གྱིས
སྔོན་རབས
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The Law of the Lever — Archimedes' Balance of Weight and Distance
Martin གྱིས
སྔོན་རབས
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