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The Star That Redefined the Universe

Observe Newton's Cradle

Build an Ancient Astronomical Instrument

Mindstorms Solar Tracker

Honey Bees in Winter - An Amazing Sound

Newton's Remarkable Cradle

Energy - An Enigma

An Elegant Machine - The Stirling Engine

Wonderstruck at Ripley's Aquarium of Canada

Coding in BASIC on an Ipad

19th Century Technology at a Grist Mill

Motors and Generators

Solar 102 - Power Calculation

Bell's Metal Detector

Ancient Geometry - A Revelation

Photovoltaics 101

Horses and Horsepower

Build an Electroscope

The First Electric Motor

Determine Longitude

The Pendulum Equation

Pythagoras and the Evolution of Logic

Magnet Magic - Lenz's Law

Create 3D Objects

Animation Basics 1

Chase a Comet

Shadow Detector

Build a Photophone

Beach Animals, The Strandbeest