10 Canadian inventions that changed the world (quietly)

Canadians are great at inventing things. We’re even better at not bragging about them. Yes, Canadian inventions have changed the world in many ways, yet most people have no idea that these came from our quiet corner of the world.

Here are ten Canadian inventions that changed the world. Which one have you used this week?

The square-drive screwdriver

A screwdriver with a square head
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Anyone who has ever built a shelf without stripping a screw has Peter Robertson to thank. He was born in Ontario, and in 1909, he invented the square-drive screwdriver, one that practically stops screwdrivers from slipping out.

Factories loved it, and Ford wanted it. But Robertson didn’t sell it, although his invention later went on to change toolboxes across the world.

The egg carton

Blank paper rectangular tray for chicken eggs on a gray background, close up
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There was a time when grocery stores packed eggs loose in baskets. They broke constantly.

Then, a local B.C. man named Joseph Coyle decided to fix the problem by creating folded paperboard with neat little slots. His 1911 design soon became the cardboard egg carton that people use worldwide. 

The walkie-talkie

Semi truck driver and walkie-talkie in cabin truck.
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Donald Hings was a Calgary engineer who was responsible for a device that allowed people to talk across long distances without a wire. No, it wasn’t a cellphone. It was the walkie-talkie.

He invented it in 1937 and called it a “packset,” which the military picked up during the war. The world followed shortly after, and many early mobile radios owe their existence to Hings.

The modern alkaline battery

Background made of various alkaline and lithium-ion batteries, positive pole visible.
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A Canadian was the engineer who came up with the long-lasting batteries that we use in so many products today. His name was Lewis Urry, and he worked for Eveready in the 1950s.

Urry discovered a way to make batteries last far longer by using alkaline instead of acid. You can even see his first model in the Smithsonian today.

The G-suit for pilots

A pilot and co pilot in a G-suit inspects a fighter jet. Control panel area on the side of the aircraft fuselage. Check readiness before flying.
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Dr. Wilbur Franks was a professor & medical researcher at the University of Toronto who was sick of hearing stories about pilots blacking out during dives. His answer? The G-Suit.

It was a strange, water-filled suit that helped to support pilots’ bodies when they’re under pressure. Every fighter pilot & astronaut since then has worn a version of Franks’s suit.

The truck-mounted snowblower

Snow blower powered by gasoline in action. Man outdoor in front of house using snowblower machine. Snow removal, thrower assistant in winter outside home. Young worker guy blowing snow during blizzard
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Anyone who has experienced a Montreal winter knows that it can break a person. But Arthur Sicard decided that it didn’t have to. In 1925, he invented the truck-mounted snowblower by attaching a snow-munching chute to a truck.

His invention made it far easier to clear whole streets, since people didn’t need to do endless shovelling. Cities soon lined up to purchase the machine & the first customer was Outremont.

The paint roller

White paint roller floated on yellow background
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Yes, brushes are fine for painting trim, but not so much for walls. That’s where Norman Breakey came in. He invented the paint roller by covering up a roller with fabric & soaking it in paint, putting an end to slow and streaky paint jobs.

DIYers all across the world have been rolling with Breakey’s invention ever since.

Pablum infant cereal

Cute infant boy eating cereal breakfast with spoon. Healthy baby food.
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A team at Toronto’s SickKids Hospital created something absolutely incredible during the 1930s. They invented a cereal called Pablum. It was easy to digest & vitamin-rich.

Parents loved it because it helped reduce the number of children with rickets, and the invention also funded decades of child health research with the royalties earned from Pablum.

North America’s first electron microscope

Male technician in clean room suit work at semiconductor manufacturing plant by using microsope
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James Hillier & Albert Prebus were two graduate students at the University of Toronto who built North America’s first electron microscope. They did so way back in 1938.

Their invention could zoom in far beyond what light microscopes could ever achieve, giving scientists a whole new way to look at tiny cells. 

Standard time zones advocacy

Black clocks on navy blue wall in businessman's home office interior
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Every town used to keep its own time in the days before time zones existed, so noon in one town could be 11:47 in another town just a few miles down the road. Rail schedules, among other things, were a nightmare.

Then came Sir Sandford Fleming. He created the idea of having 24 global time zones during the 1880s, and his system has stuck around to this day.

Sources: Please see here for a complete listing of all sources that were consulted in the preparation of this article.

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