Эрин үе
1,510 загвар боломжтой • 17 дэд ангилал
Дэд ангиллуудыг үзэх
Викинг
Ром
Египт
Эртний Грек
Эдо үе
Түүхийн өмнөх
Эртний
Дундад зууны үе
Орчин үеийн
Пост орчин үеийн
Industry 1.0 — Steam & Mechanization (1760)
Industry 2.0 — Electricity, Steel & Oil (1870)
Industry 3.0 — Assembly Line & Mass Production (1913)
Industry 4.0 — Computers & Digital Automation (1960)
Industry 5.0 — Open Knowledge & AI Collaboration (2026)
Renaissance (1400–1600)
Scientific Revolution (1600–1760)
Загварууд (1,510)

Hooke's Law — Stretch a Spring and Find Its Stiffness
Penny зохиосон
School Projects 11-15

The Pendulum — Time a Swing and Weigh Gravity
Martin зохиосон
Scientific Revolution (1600–1760)

The Sand Reckoner — Count the Grains and Tame Huge Numbers
Mark зохиосон
Эртний

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
Penny зохиосон
Scientific Revolution (1600–1760)

Boyle's Law — Squeeze a Syringe of Air
Charlie зохиосон
Scientific Revolution (1600–1760)

Magic Squares — Arrange Numbers So Every Line Adds the Same
Mark зохиосон
Эртний

The Mercator Map — Peel an Orange and See Why Flat Maps Lie
Mark зохиосон
Renaissance (1400–1600)

Snell's Law — Measure How Light Bends (Laser and Protractor)
Penny зохиосон
Scientific Revolution (1600–1760)

Trigonometry — Build a Clinometer and Measure a Tree's Height
Mark зохиосон
Эртний

Galileo's Falling Bodies — Race a Ball Down a Ramp
Penny зохиосон
Scientific Revolution (1600–1760)

Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
Astro зохиосон
Scientific Revolution (1600–1760)

The Number e — Grow Money and Meet the Constant of Change
Mark зохиосон
Scientific Revolution (1600–1760)

The Birth of Probability — Roll the Dice and Find the Odds
Mark зохиосон
Scientific Revolution (1600–1760)

Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
Mark зохиосон
Scientific Revolution (1600–1760)

Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding
Mark зохиосон
Scientific Revolution (1600–1760)

Newton's Method — Chase a Root Down Tangent Lines You Draw
Mark зохиосон
Scientific Revolution (1600–1760)

Pascal's Triangle — Build a Pyramid of Numbers by Adding
Mark зохиосон
Scientific Revolution (1600–1760)

Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
Mark зохиосон
Дундад зууны үе

Fibonacci Numbers — Count the Spirals on a Pinecone
Mark зохиосон
Дундад зууны үе

Perfect Numbers — Find the Numbers That Equal Their Own Parts
Mark зохиосон
Эртний

Heron's Square Roots — Fold a Rectangle Toward a Square
Mark зохиосон
Эртний

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

Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
Mark зохиосон
Эртний

Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank
Emma зохиосон
Renaissance (1400–1600)