https://www.animations.physics.unsw.edu.au/jw/pendulumdetails.html
The Foucault pendulum - the physics (and maths) involved
a detailed explanation of the precession of the Foucault pendulum
foucault pendulumphysicsmathsinvolved
https://chrisperridas.blogspot.com/2007/09/lovecraft-allusion-in-umberto-ecos.html
H. P. Lovecraft And His Legacy: Lovecraft Allusion in Umberto Eco's Foucault's Pendulum
Jack Faber recently alerted me to this cool quote. He says, "...near the end of chapter 113 of Foucault's Pendulum: Then I saw Lorenza slum...
h p lovecraft
https://www.timeshighereducation.com/news/foucaults-pendulum-is-sent-crashing-to-earth/411529.article?sectioncode=26&storycode=411529&c=1
Foucault's pendulum is sent crashing to Earth | Times Higher Education (THE)
May 22, 2015 - Historic instrument is irreparably damaged in an accident at a Paris museum. Clea Caulcutt reports
times higher education
https://scholarworks.iu.edu/journals/index.php/hindsight/article/view/24564
Pendulum: Leon Foucault and the Triumph of Science | Hindsight: Journal of Optometry History
and the
https://www.kqed.org/perspectives/201509180643/foucaults-pendulum
Foucault's Pendulum | KQED
Bhaskar Sompalli, and small children, are fascinated by a giant pendulum that knocks over small pins like clockwork.
foucaultpendulumkqed