Olivia Ivany
Career Profiles
Diagnostic Medical Sonographer
Michel Leger (he/him/they)
Career Profiles
Hydrographer
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.
Ashley Noseworthy
Career Profiles
CEO/Founder of Edgewise Environmental
Are Whales Beaching Themselves Stressed By Sonar?
STEM Explained
Read about why sonar could be causing some whales to beach themselves.
Amy King
Music Producer / Recording Engineer
Reflection and Refraction
Backgrounders
Learn about reflection and refraction and meet Emily Altiere, a PhD student in physics who studies lasers.
Optical Telescopes
Backgrounders
Learn about the history of telescopes and the function of refracting and reflecting optical telescopes.
Ultrasonography
Backgrounders
Learn about the history, function, uses, benefits and risks of Ultrasonography as a medical imaging technology.
The Optics of Telescopes
Backgrounders
Learn about telescopes, how they work & why they're important to astronomers.
Why do we need two eyes to see?
Hands-on Activities
Ever wondered why we have two eyes (and not one, three or more)? Find how your two eyes work together in this hands-on activity.
Why is everything so small down there?
Hands-on Activities
Explore how we see things far and near and from different angles. It's all about perspective!
What is Sound and How do we Hear it?
Backgrounders
Learn how sound travels in waves and how it is measured in this backgrounder.
What is white light?
Hands-on Activities
Find out what happens if you spin the colours of the rainbow in this hands-on activity.
What's in a Rainbow?
STEM Explained
Rainbows are beautiful examples of optics in nature. We see them thanks to the reflection and refraction of visible light and water.