Articles on x-rays

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U.S. Vice-President Mike Pence speaks about the creation of a United States Space Force on Aug. 9, 2018 at the Pentagon. (AP Photo/Evan Vucci)

How Canadian technology could protect Space Force troops

Could Canadian technology play a part in the newly announced U.S. Space Force? A team at McMaster University has developed an instrument that could keep Space Force troops safe from radiation.
X-ray vision is not only possible, it already exists – but using computers, not eyes. Marcella Cheng/The Conversation

Curious Kids: Is x-ray vision possible?

Human eyes don't have x-ray vision. But we can use radiography machines to allow our eyes to see inside things the human eye cannot.
X-rays are like light rays, but they can pass through more stuff. Marcella Cheng/The Conversation

Curious Kids: How do x-rays see inside you?

X-rays are like light rays, but they can pass through more stuff. Some of the x-ray's energy is blocked by bone, which is why you can see bones so clearly on x-ray scans.
Pocket your phone without worry. Phone image via www.shutterstock.com.

Why you can’t fry eggs (or testicles) with a cellphone

Did your holiday gift list include radiation-shielding undies to protect your privates from cellphone radio waves? A radiation expert explains they're unnecessary – your phone won't affect your fertility.
bikeriderlondon/Shutterstock.com

Do CT scans really cause cancer?

CT scans deliver a hefty dose of ionising radiation. But the benefits outweigh the risks – most of the time.
Making waves. Flickr/Max Nathan

Explainer: making waves in science

We find them at the beach, in every sound and light show, the miracle of wi-fi and now in the fabric of space-time itself. But what exactly is a wave?

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