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 ༦༦ ཡོད

བིལུ་པིརིན་ཊི (༦༦)

Vernier Caliper

Vernier Caliper

Mark གྱིསFI

འཕྲུལ་རིག

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Bevel Protractor

Bevel Protractor

Mark གྱིསFI

Mathematics

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Cloverleaf Interchange

Cloverleaf Interchange

Mark གྱིསFI

Mathematics

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Hollerith Tabulator

Hollerith Tabulator

Mark གྱིསFI

རྩིས་འཕྲུལ

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Burroughs Calculating Machine

Burroughs Calculating Machine

Mark གྱིསFI

ཚན་རིག

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Cash Register

Cash Register

Mark གྱིསFI

ཚན་རིག

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Slide Rule

Slide Rule

Emma གྱིསSE

ཚན་རིག

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Perspective Frame

Perspective Frame

Mark གྱིསFI

ཚན་རིག

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Self-Working Card Trick

Self-Working Card Trick

Mark གྱིསFI

ཤོག་འཛར་རྫུ་འཕྲུལ

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Volvelle Wheel Chart

Volvelle Wheel Chart

Mark གྱིསFI

མཆོངས

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Monochord

Monochord

Penny གྱིསDK

སྒྲ་རིག

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Zero and Place-Value — Build an Abacus and Count Like the World Does

Zero and Place-Value — Build an Abacus and Count Like the World Does

Mark གྱིསFI

བར་དུས

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Projectile Motion — Launch a Ball and Measure Its Flight

Projectile Motion — Launch a Ball and Measure Its Flight

Penny གྱིསDK

Scientific Revolution (1600–1760)

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Hooke's Law — Stretch a Spring and Find Its Stiffness

Hooke's Law — Stretch a Spring and Find Its Stiffness

Penny གྱིསDK

School Projects 11-15

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The Pendulum — Time a Swing and Weigh Gravity

The Pendulum — Time a Swing and Weigh Gravity

Martin གྱིསNO

Scientific Revolution (1600–1760)

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The Sand Reckoner — Count the Grains and Tame Huge Numbers

The Sand Reckoner — Count the Grains and Tame Huge Numbers

Mark གྱིསFI

སྔོན་རབས

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Air Has Weight — The Upside-Down Glass and Torricelli's Barometer

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer

Penny གྱིསDK

Scientific Revolution (1600–1760)

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Magic Squares — Arrange Numbers So Every Line Adds the Same

Magic Squares — Arrange Numbers So Every Line Adds the Same

Mark གྱིསFI

སྔོན་རབས

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The Mercator Map — Peel an Orange and See Why Flat Maps Lie

The Mercator Map — Peel an Orange and See Why Flat Maps Lie

Mark གྱིསFI

Renaissance (1400–1600)

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Snell's Law — Measure How Light Bends (Laser and Protractor)

Snell's Law — Measure How Light Bends (Laser and Protractor)

Penny གྱིསDK

Scientific Revolution (1600–1760)

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Trigonometry — Build a Clinometer and Measure a Tree's Height

Trigonometry — Build a Clinometer and Measure a Tree's Height

Mark གྱིསFI

སྔོན་རབས

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Galileo's Falling Bodies — Race a Ball Down a Ramp

Galileo's Falling Bodies — Race a Ball Down a Ramp

Penny གྱིསDK

Scientific Revolution (1600–1760)

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The Number e — Grow Money and Meet the Constant of Change

The Number e — Grow Money and Meet the Constant of Change

Mark གྱིསFI

Scientific Revolution (1600–1760)

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The Birth of Probability — Roll the Dice and Find the Odds

The Birth of Probability — Roll the Dice and Find the Odds

Mark གྱིསFI

Scientific Revolution (1600–1760)

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66 ནང་ལས་ 24 སྟོན་དོ།