Where no one has gone before: The cuckoo-clock incident

A presentation at SELFHTML-Treffen in May 2025 in Mannheim, Germany by Gunnar Bittersmann

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Where no one has gone before

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Photo by Stefan K on Unsplash

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Photo by Stefan K on Unsplash

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Photo by Thomas Bormans on Unsplash

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Photo by Peter Mitchell on Unsplash

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Photos by Gunnar Bittersmann

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Photo by Alvesgaspar, CC BY-SA 3.0

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Photo by Alvesgaspar, CC BY-SA 3.0

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Photo by Black Chitsulo on Unsplash Photo by Jiyeon Park on Unsplash

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sin φ = y ⁄ r cos φ = x ⁄ r tan φ = y ⁄ x

y = r sin φ x = r cos φ

x = r sin ψ y = −r cos ψ

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The cuckoo-clock incident
presented by Gunnar Bittersmann
Black Forest photos by Gunnar Bittersmann

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