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Physics LibreTexts

2: Conservation of Energy

Do you pronounce it Joule's to rhyme with schools,
Joule's to rhyme with Bowls,
or Joule's to rhyme with Scowls?
Whatever you call it, by Joule's,
or Joule's,
or Joule's, it's good! -- Advertising slogan of the Joule brewery. The name, and the corresponding unit of energy, are now usually pronounced so as to rhyme with “school.”

Thumbnail: Roller coaster "Blue Fire" at Europa Park. Image used with permission (CC SA 3.0; Coaster J).