00:00Spies stole more than machines.
00:03They wanted the invisible secret to powerful steam engines.
00:07The real prize wasn't big parts.
00:10It was tiny changes in how steam heated and cooled.
00:14This hidden science is the Rankine cycle.
00:17It makes engines super efficient, saving fuel.
00:20Superheating steam pushed harder.
00:23Rapid condensation created a strong vacuum, moving the engine fast.
00:28These subtle tricks meant massive fuel savings.
00:32Smart heat, not just size, decided true power.
00:35These invisible details made fortunes.
00:38Uncover more sneaky science hacks via the link in bio.
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