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Waves

Michael Leger standing in front of a boat tied to dock.

Michel Leger (he/him/they)

Career Profiles

Hydrographer

I use sound and light to measure, describe and map the ocean floor.
Olivia Ivany headshot outside with trees and green field in background

Olivia Ivany

Career Profiles

Diagnostic Medical Sonographer

I perform different kinds of ultrasounds on different parts of the body.
SIlhouette of a figure examining stars with a telescope

How could you build a refracting telescope using water as the lenses?

Hands-on Activities

Build your own refracting telescope using glasses of water as the lenses.

Lunar lander floating above the moon, with the Earth in the background

Let's Talk Space Exploration Resources

Backgrounders

Discover a set of resources to develop background knowledge on the topic of space exploration.

Ashley Noseworthy avec l'océan derrière elle

Ashley Noseworthy

Career Profiles

CEO/Founder of Edgewise Environmental

I own and operate an environmental consultancy that helps companies reduce their underwater noise pollution.
Xiaoyi Bao

Xiaoyi Bao

Professor and Canada Research Chair

Dr. Xiaoyi Bao is Canada Research Chair in Fibre Optics and Photonics.
Cuvier's beaked whales

Are Whales Beaching Themselves Stressed By Sonar?

STEM Explained

Read about why sonar could be causing some whales to beach themselves.

Light bulb and cord in shape of a head

Light and Sound Inventions that Changed the World

Lessons

Students will explore the societal impacts of inventions involving light and sound.

The Jodrell Bank Lovell Telescope located in Cheshire, England

Telescopes and Astronomy

Backgrounders

Visible light is only part of what astronomers study. They use different types of telescopes to study the entire electromagnetic spectrum.

Skyglow from a city and highway

Light Pollution

STEM Explained

Light can be a type of pollution. Learn about the damage it causes to people and living things as well as how you can prevent it.

Amy King dans un studio d'enregistrement

Amy King

Music Producer / Recording Engineer

Amy King is a Music Producer / Recording Engineer for Grant Avenue Studio.
Casting hot iron

What Causes Hot Things to Glow?

STEM Explained

Getting electrons excited by heat can cause certain materials to give off visible light when heated - like filaments in light bulbs.

Hubble Space Telescope as seen during a servicing mission in 2009

Airborne & Space Telescopes

Backgrounders

Learn about telescopes that do their work high in Earth’s atmosphere and in space.

Abstract light pattern

Light and Its Properties

Backgrounders

Learn about light and its properties.

Large diamond refracting light

Reflection and Refraction

Backgrounders

Learn about reflection and refraction and meet Emily Altiere, a PhD student in physics who studies lasers.