Thundersnow: winter thunderstorms
STEM Explained
When thunder and lightning occur but the main form of precipitation is snow, not rain, it’s called thundersnow.
Why Do Curveballs Curve?
STEM Explained
Bernoulli’s equation is key to understanding why curveballs curve.
Why do raisins dance in soda pop?
Hands-on Activities
Let them bop ‘til they drop! What causes these raisins to reach new heights in this hands on activity?
Which materials bounce?
Hands-on Activities
Balls go up and down. But what makes for a good ball? Find out by exploring which materials bounce.
What are Greenhouse Gases?
Backgrounders
This backgrounder explains what greenhouse gases are and how they contribute to climate change.
What causes ocean currents?
Hands-on Activities
Create a model of ocean currents and learn how currents are formed.
What do magnets do?
Hands-on Activities
Have fun discovering what magnets can pick up in this hands on activity.
What If You Could Charge Your Phone Using Radio Waves?
STEM Explained
Could we use radio waves to charge electrical technologies in the future?
Thermopower and the Body Heat-Powered Flashlight
STEM Explained
Can your body be a source of electricity generation? Maybe, if you understand heat transfer. Explore this concept through a 2013 invention by a Canadian teen.
Telegraph Key
Interactives
The telegraph works by transmitting signals through an electrical circuit. Learn more and print your own telegraph key using this 3d model of a real artefact.
Testing Parachutes for Mars
STEM Explained
NASA engineers apply kinematics and dynamics to test parachutes designed specifically to help space probes land safely using aerodynamics.
The Cold Pack: A Chilly Example of an Endothermic Reaction
STEM Explained
When you hurt your ankle, thermodynamics can help you heal! An endothermic reaction reduces the swelling by cooling your injury.
The Hovering Human
STEM Explained
Learn how a team of Canadian engineers used Bernoulli’s Principle to design a human-powered helicopter. It set a world record for human-powered hovering flight!
The Physics of Surfing
STEM Explained
Learn about the history of surfboards, and how different materials and designs over the years affected the physics at work in surfing.
Soaring for Sport
STEM Explained
Ever dreamed if overcoming gravity and flying away? Using aerodynamics, wingsuit jumpers get as close to flight as humanly possible.