Showing results for: Math & Physics

Don’t have a credit card? You might be able to pay with bitcoin instead. Bitcoin transactions rely on something called a blockchain system, which gives both buyers and sellers a lot of confidence.

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This CNSC video takes you beyond the tiny world of the atom to explore sources of radiation, the concept of dose, and how radiation affects the body and health.

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This Featured Topic has resources on many different aspects of radiation, from the types of radiation we are exposed to naturally on Earth to the radiation astronauts experience in space.

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Searching for extraterrestrial life often means listening for radio waves coming from deep space. And if you’re interested, you can even help scientists sift through the data!

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I work on building our technology company, create software for businesses and community groups. I’m in charge of figuring out where to take the company and how to get there: What should we do next? If it’s a good time for growth, what part of the company should we expand? What are our competitors doing? What do customers want and need?

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Can you design a more efficient wind farm? Remove snow from downtown faster? Assemble the best hockey team? Participate in TORCH, an annual event organized for high school students, on March 18, 2017.

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How can we learn about the galaxies beyond our own? It all begins with light - the kind we see and the kind we can’t. (4:45 min.)

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There's a saying that "it's not the volts that kills you, it's the amps" and while that's true in a way, you can't have amps without volts and skin resistance plays a big part too. (5:15 min.)

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Go to any paint store or nail-polish shelf and you’ll see a dozen or so variations of the color black. Even inside a crayon box, there are a lot of shades. But what is the blackest black out there? (3:22 min.)

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When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? (5:29 min.)

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