Handle with Care - Science and Technology Museum

Medical director Joseph Workman believed that 50 per cent of his alleged “lunacy” cases were curable at home. But with this half-built facility so close at hand, local officials found it a convenient place to drop off their criminals, misfits and troublemakers.

Many tales have become part of the folklore of the Klondike gold rush, and one such legend is the story of a “sourdough” thermometer.

There’s no doubt about it: Canada has produced some awesome inventions. Here are the stories behind our favourites.

The Europeans relied on surveying instruments to chart their journeys. One important instrument was the sextant.