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/u/semidemiurge's posts

How can a beta emitter like Cs-137 not be blocked by the concrete/masonry it was embedded in? Is it possible that the beta radiation caused an intermediary material to become radioactive releasing gama-rays?

4 upvotes • r/askscience
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Social and political upheaval in the period 1895-1925

2 upvotes • r/AskHistorians
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Video of the recycling of tires/rubber in a pyrolysis machine. Can someone explain the chemistry involved as such relatively low temperatures?

1 upvotes • r/askscience
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Implications and possible applications for graphene being a p-wave superconductor?

1 upvotes • r/askscience
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What is the cause for the apparent color change in the water in this explosion?

1 upvotes • r/askscience
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Size of the object heated in a microwave affect energy absorption?

1 upvotes • r/askscience
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Radioisotope Ruthenium 106 detected in Europe

1 upvotes • r/askscience
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What could cause this 106Ru cloud from Russia?

1 upvotes • r/askscience
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Challenge

1 upvotes • r/geology
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How is this strange helix in ferrofluid formed?

1 upvotes • r/askscience
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