Эрин үе
2,674 загвар боломжтой • 17 дэд ангилал
Дэд ангиллуудыг үзэх
Scientific Revolution (1600–1760)
Industry 5.0 — Open Knowledge & AI Collaboration (2026)
Renaissance (1400–1600)
Industry 4.0 — Computers & Digital Automation (1960)
Industry 3.0 — Assembly Line & Mass Production (1913)
Industry 2.0 — Electricity, Steel & Oil (1870)
Industry 1.0 — Steam & Mechanization (1760)
Пост орчин үеийн
Орчин үеийн
Дундад зууны үе
Эртний
Түүхийн өмнөх
Эдо үе
Эртний Грек
Египт
Ром
Викинг
Загварууд (2,674)

Making a Celebration Gjallarhorn — The Feast Horn
Woody зохиосон
Викинг

Making a Bamboo Recorder — A Fipple Flute with a Full Scale
Woody зохиосон
Дундад зууны үе

Making a Conch Shell Trumpet — A Natural Lip-Reed Horn
Woody зохиосон
Түүхийн өмнөх

Making a Clay Ocarina — A Vessel Flute You Can Play
Clay зохиосон
Түүхийн өмнөх

Making a Bamboo Jaw Harp — A Plucked Tongue Instrument
Woody зохиосон
Түүхийн өмнөх

Making Panpipes — A Row of Tuned Bamboo Tubes
Woody зохиосон
Түүхийн өмнөх

Making a Musical Bow — The Oldest String Instrument
Woody зохиосон
Түүхийн өмнөх

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
Astro зохиосон
Дундад зууны үе

Zero and Place-Value — Build an Abacus and Count Like the World Does
Mark зохиосон
Дундад зууны үе

Projectile Motion — Launch a Ball and Measure Its Flight
Penny зохиосон
Scientific Revolution (1600–1760)

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)