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

ཚན་རིག

བིལུ་པིརིན་ཊི ༡,༦༨༩ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༡

བིལུ་པིརིན་ཊི (༡,༦༨༩)

Fibonacci Numbers — Count the Spirals on a Pinecone

Fibonacci Numbers — Count the Spirals on a Pinecone

Mark གྱིསFI

བར་དུས

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Perfect Numbers — Find the Numbers That Equal Their Own Parts

Perfect Numbers — Find the Numbers That Equal Their Own Parts

Mark གྱིསFI

སྔོན་རབས

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Heron's Square Roots — Fold a Rectangle Toward a Square

Heron's Square Roots — Fold a Rectangle Toward a Square

Mark གྱིསFI

སྔོན་རབས

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Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips

Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips

Mark གྱིསFI

སྔོན་རབས

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Sieve of Eratosthenes — Hunt Prime Numbers on a Grid

Sieve of Eratosthenes — Hunt Prime Numbers on a Grid

Mark གྱིསFI

སྔོན་རབས

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Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank

Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank

Emma གྱིསSE

Renaissance (1400–1600)

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Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine

Emma གྱིསSE

Renaissance (1400–1600)

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Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²

Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²

Mark གྱིསFI

སྔོན་རབས

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Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army

Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army

Emma གྱིསSE

Renaissance (1400–1600)

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Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot

Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot

Emma གྱིསSE

Renaissance (1400–1600)

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Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter

Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter

Emma གྱིསSE

Renaissance (1400–1600)

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Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

Astro གྱིསIS

བར་དུས

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Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

Mark གྱིསFI

སྔོན་རབས

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The Law of the Lever — Archimedes' Balance of Weight and Distance

The Law of the Lever — Archimedes' Balance of Weight and Distance

Martin གྱིསNO

སྔོན་རབས

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Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

Penny གྱིསDK

སྔོན་རབས

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Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Astro གྱིསIS

སྔོན་རབས

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Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

Mark གྱིསFI

སྔོན་རབས

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Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

Emma གྱིསSE

Renaissance (1400–1600)

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Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Astro གྱིསIS

སྔོན་རབས

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Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes

Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes

Karen གྱིསSE

བར་དུས

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Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking

Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking

Galadriel གྱིསUS

དེང་རབས

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Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Balin གྱིསUS

དེང་རབས

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Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom

Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom

Palpatine གྱིསUS

དེང་རབས

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Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
ཉེན་ཁ་ཅན།

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

Elrond གྱིསUS

དེང་རབས

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1689 ནང་ལས་ 24 སྟོན་དོ།