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Physics

A person’s hand holding a cold pack on an ankle

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.

Several longhouse and other stone structures on Pamiok Island, in Ungava Bay, Quebec

The Dating Habits of Archaeologists

STEM Explained

Radiocarbon dating is a method of radiometric dating. Learn how archaeologists use carbon isotopes to find the age of organic materials at archaeological sites.

AeroVelo's winning flight

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!

Cartoon woman on a surfboard

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.

The Parkes Observatory in New South Wales, Australia

The Search for Extraterrestrial Intelligence - and How You Can Help!

STEM Explained

When astronomers search for extraterrestrial life, they often have to listen for radio waves coming from deep space. If you’re interested, you can help!

Heat pump diagram

Tapping Underground Energy with Heat Pumps

STEM Explained

Using the heat of the Earth’s interior, you can heat your home with a ground source heat pump. This kind of heating is cheaper and better for the environment!

Telegraph key used in Metcalfe, Ontario telegraph office (Ingenium)

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.

Hot sunrise in space

Temperature: On Earth and on the Space Station

Backgrounders

This backgrounder explains what temperature is, how it is measured, how it affects people, and how it is controlled on the International Space Station.

International Space Station in the rays of the Sun

Temperature on Earth and on the ISS

Backgrounders

Temperature is an important part of life on Earth and life in space. This backgrounder explains what temperature is, how it affects people and how it is controlled on the International Space Station.

Mars Science Laboratory Parachute Qualification Testing

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.

Roller Coaster

Simple Machines: Inclined Planes

Picture Collections

5 images of examples where inclined planes are used to help lift or move objects such as ramps for accessibility or entertainment

Seesaw [Class 1 Lever]

Simple Machines: Levers

Picture Collections

6 images of some objects such as tweezers, scissors and wheel barrows that use the lever principle to create movement for a specific purpose

Pulley with Chains

Simple Machines: Pulleys

Picture Collections

6 images of some objects such as in fitness equipment which use wheels with grooves in their rims called pulleys for movement

Ferris Wheel: The London Eye

Simple Machines: Wheels And Axles

Picture Collections

6 images of some objects such as ferris wheels and skate boards with wheel and axle mechanisms that create rotary movement

Wingsuit flying over Massachusetts

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.