Technology & Engineering

Today, you know it's the same time everywhere in your time zone thanks to Universal Coordinated Time. But when humans used the Sun to tell time, they couldn’t tell time precisely.

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!

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.

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

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.

NASA engineers apply kinematics and dynamics to test parachutes designed specifically to help space probes land safely using aerodynamics.

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!

Learn about the history of surfboards, and how different materials and designs over the years affected the physics at work in surfing.

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!

11 images of structures with historical significance from different civilizations such as pyramids, statues on Easter Island and Stonehenge

7 images of structures in Canada such as an Inukshuk, CN Tower and the Parliament Building including their locations

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

5 images of some mass and frame structures from around the world such as the L’Arc de Triomphe gate and the Brooklyn Bridge

Learn the organic chemistry behind this very useful plastic. Why is recycling polystyrene hard? Why does polystyrene often end up as solid waste?

In planetary science, astronomers have found planets that orbit other stars, just like Earth orbits the Sun. Some of them might even be able to support life.