Assertion: gunpowder's energy density | /r/ObjectUse | used as a reference point
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text: The energy density of TNT is used as a reference point for many other explosives, including nuclear weapons, the energy content of which is measured in equivalent kilotons (~4.184 terajoules or 4.184 TJ or 1.162 GWh) or megatons (~4.184 petajoules or 4.184 PJ or 1.162 TWh) of TNT.