: How does something become radioactive?

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I stuck on a documentary about Chernobyl, there was a clip of a pair of boots the fireman were wearing near the plant and the levels of radiation went stupidly high. How can an object like the boots show such a high reading but other objects in the room show lower readings? They also shown a cloth the nurses used on the fireman and the reader did the same thing.

Howcome that happens? Does radiation “stick” to objects?

In: Physics

7 Answers

Anonymous 0 Comments

Radiation comes from radioactive particles.

Like literally microscopic pieces of dust carrying radioactive material.

So things like clothing, which are very porous, are good and absorbing a lot of that dust and material. Thus there’s radioactive material stuck in the the clothing making the clothing radioactive.

Less porous materials like, say, a rock, don’t hold onto that radio active material as well so you don’t see as much an effect.

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