![Roger Bragg à l'extérieur avec un VTT](/sites/default/files/styles/career_image/public/2020-01/roger%20bragg3.jpg?itok=4zW-xnNP)
Roger Bragg
Career Profiles
Construction Electrician
![What do magnets do?](/sites/default/files/2019-08/what-do-magnets-do.jpg)
What do magnets do?
Hands-on Activities
Have fun discovering what magnets can pick up in this hands on activity.
![Charging a cell phone](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/charging_a_cell_phone.jpg?itok=ugTEHYXD)
What If You Could Charge Your Phone Using Radio Waves?
STEM Explained
Could we use radio waves to charge electrical technologies in the future?
![Thermal images of people and objects](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Thermal_images_of_people_and_objects.png?itok=5vLkf21V)
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 used in Metcalfe, Ontario telegraph office (Ingenium)](/sites/default/files/styles/resource_card_image_360x300_/public/2019-07/5887.jpg?itok=h9OZd3T9)
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.
![Drop tower ride](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Drop_tower_ride.jpg?itok=39sxzXhn)
How is Lenz's Law Used in Drop Tower Rides?
STEM Explained
How do magnetic fields help you get down safely from the top of a drop tower ride? Learn how electromagnetic induction works at the amusement park.
![Cartoon aircraft in flight](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Aircraft_in_flight.jpg?itok=MlDYQ0_o)
Cosmic Radiation and Aviation
Backgrounders
Learn how people came to understand the source of cosmic radiation, as well as how this radiation impacts those who work in and travel on airplanes.
![Ethan Ma | Machine Vision Engineer Ethan Ma | Ingénieur en vision artificielle](/sites/default/files/styles/career_image/public/6356_13.jpg?itok=jZu9IyDk)
Ethan Ma
Career Profiles
Machine Vision Engineer
![Jackie Frampton | Construction Electrician Jackie Frampton | Électricienne en construction](/sites/default/files/styles/career_image/public/4464_13.jpg?itok=zzYw1sUq)
Jackie Frampton
Career Profiles
Construction Electrician
![Joann Greeley | Construction Electrician Joann Greeley | Électricienne en construction](/sites/default/files/styles/career_image/public/4344_13.jpg?itok=j4A0EwS1)
Joann Greeley
Career Profiles
Construction Electrician