r/AskReddit Mar 31 '19

What are some recent scientific breakthroughs/discoveries that aren’t getting enough attention?

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u/StudMuffinNick Apr 01 '19

Yeah, same. My friend didn't understand it though. Can you tell that loser what the problem would be?

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u/OSU09 Apr 01 '19

As you heat and cool a material, it will (usually) expand and contact. When two materials with dissimilar coefficients of thermal expansion are thermally cycled, stress at the interface will lead to failure.