Mathematics
64 загвар боломжтой
Загварууд (64)
Cloverleaf Interchange
Mark зохиосон
Mathematics
Hollerith Tabulator
Mark зохиосон
Тооцооллын
Burroughs Calculating Machine
Mark зохиосон
ШИНЖЛЭХ УХААН
Cash Register
Mark зохиосон
ШИНЖЛЭХ УХААН
Slide Rule
Emma зохиосон
ШИНЖЛЭХ УХААН
Perspective Frame
Mark зохиосон
ШИНЖЛЭХ УХААН
Self-Working Card Trick
Mark зохиосон
Картын үзүүлбэр
Volvelle Wheel Chart
Mark зохиосон
Хөөргөх
Monochord
Penny зохиосон
Акустик
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)
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)
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)