Mathematics
Ìtọ́nisọ́nà 66 wà
Àwọn Ìtọ́nisọ́nà (66)
Vernier Caliper
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Ìmọ̀ Ẹ̀rọ
Bevel Protractor
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Mathematics
Cloverleaf Interchange
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Mathematics
Hollerith Tabulator
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Ìṣirò
Burroughs Calculating Machine
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SÁYẸ́ǸSÌ
Cash Register
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SÁYẸ́ǸSÌ
Slide Rule
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SÁYẸ́ǸSÌ
Perspective Frame
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SÁYẸ́ǸSÌ
Self-Working Card Trick
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Àwọn Ẹ̀tàn Káàdì
Volvelle Wheel Chart
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Pop-Up
Monochord
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Ìmọ̀ Ìró
Zero and Place-Value — Build an Abacus and Count Like the World Does
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Ọ̀rúndún Àárín
Projectile Motion — Launch a Ball and Measure Its Flight
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Scientific Revolution (1600–1760)
Hooke's Law — Stretch a Spring and Find Its Stiffness
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School Projects 11-15
The Pendulum — Time a Swing and Weigh Gravity
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Scientific Revolution (1600–1760)
The Sand Reckoner — Count the Grains and Tame Huge Numbers
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Ìgbà Àtijọ́
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
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Scientific Revolution (1600–1760)
Magic Squares — Arrange Numbers So Every Line Adds the Same
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Ìgbà Àtijọ́
The Mercator Map — Peel an Orange and See Why Flat Maps Lie
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Renaissance (1400–1600)
Snell's Law — Measure How Light Bends (Laser and Protractor)
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Scientific Revolution (1600–1760)
Trigonometry — Build a Clinometer and Measure a Tree's Height
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Ìgbà Àtijọ́
Galileo's Falling Bodies — Race a Ball Down a Ramp
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Scientific Revolution (1600–1760)
The Number e — Grow Money and Meet the Constant of Change
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Scientific Revolution (1600–1760)
The Birth of Probability — Roll the Dice and Find the Odds
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Scientific Revolution (1600–1760)