The author delves into the intriguing connection between the value of π squared and the acceleration due to gravity, g. While the equality is not exact due to discrepancies in units of measurement and Earth’s gravity varying with location, historically, the meter was defined by Christiaan Huygens using a pendulum. However, the French Academy of Sciences redefined the meter during the 1791 reform as one forty-millionth of the Paris meridian. Despite this, the original equation of π squared equaling g remains a fascinating topic influenced by the evolving standards of measurement throughout history.
https://roitman.io/blog/91