Why is the Chernobyl New Safe Confinement only rated to last 100 years? What happens after 100 years pass? What determines how long it lasts? | AskScience Blog

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Thursday, February 20, 2020

Why is the Chernobyl New Safe Confinement only rated to last 100 years? What happens after 100 years pass? What determines how long it lasts?

Why is the Chernobyl New Safe Confinement only rated to last 100 years? What happens after 100 years pass? What determines how long it lasts?


Why is the Chernobyl New Safe Confinement only rated to last 100 years? What happens after 100 years pass? What determines how long it lasts?

Posted: 20 Feb 2020 05:41 AM PST

In July of 2019, the New Safe Confinement building over the remains of reactor 4 of Chernobyl was completed. It is the largest moving structure ever made by mankind, and it is designed to last 100 years.

But what happens after the 100 years are up? What determines how long the structure is to last for? Will it start leaking radiation in the final years of its life?

I'm flairing this as engineering, since I'm not sure what territory this falls under.

submitted by /u/EfficientSail0
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How does this work?

Posted: 20 Feb 2020 05:05 AM PST

If magma is lava that is under ground, does a volcano spew out magma or lava? When does magma become lava?

submitted by /u/GameIsMyName12
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Is the antarctic plate/continent magnetically attracted to the south pole?

Posted: 20 Feb 2020 01:06 AM PST

How small can an object be and still have a measurable gravitational pull?

Posted: 19 Feb 2020 11:43 AM PST

Can photon sieves reduce noise/background in epifluorescent microscope imaging?

Posted: 19 Feb 2020 03:41 PM PST

I read that scientists are using photon sieves to block unwanted 'light' and increase the resolution of telescopes in space. Can photon sieves, or something similar, be used in fluorescent microscopy to reduce light diffraction recorded by the camera sensor and increase resolution? Similar idea to space, but a different spectra of light. It kind of reminds me of confocal microscopy, but the spatial filter is placed later in the light path, if I understand it correctly. The penalty is a drastic cut in total light that reaches the sensor, but maybe it could be compensated by longer exposure times and averaging frames. I could see useful applications in biology. Thoughts?

submitted by /u/griffithsd
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How does negative and positive void coefficient work in regards to nuclear reactors?

Posted: 19 Feb 2020 05:58 AM PST

This is mostly in regards to Chernobyl, but could someone explain how a water-water moderator/coolant results in a positive void coefficient and how a water-graphite moderator/coolant results in a negative void coefficient? Perhaps I just don't know what the difference between a moderator and a coolant is.

submitted by /u/politics_user
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why is Eve from the bible named that way?

Posted: 19 Feb 2020 11:35 PM PST

in Hebrew, it sounds completely different from the way English people pronounce it.

submitted by /u/Marvellover13
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They say human brain is made-up of 100billion..how is this estimation made?

Posted: 19 Feb 2020 02:10 PM PST

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