adding an energy term: "coolant", with description
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|-
|-
|1900s
|1900s
−
|155
+
|156
|1940s - [[World War II|WWII]] and postwar transition
|1940s - [[World War II|WWII]] and postwar transition
|-
|-
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|1787
|1787
|its date of origin is the year of the [[Constitutional Convention]] that proposed the [[U.S. Constitution]]
|its date of origin is the year of the [[Constitutional Convention]] that proposed the [[U.S. Constitution]]
+
|-
+
|coolant
+
|1926
+
|a fluid, typically water, that facilitates efficient energy production, especially nuclear energy to cool a reactor and slow down the fission of neutrons