Arrange 3 Knives to Rest on Tips of Handles/Historical Note
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Historical Note on Arrange 3 Knives to Rest on Tips of Handles
This problem appears for the first time in Récréations Mathématiques of $1624$ by H. van Etten.
In its English translation, it is worded to arrange three knives so that they:
- hang in the air without being supported by anything but themselves.
Sources
- 1992: David Wells: Curious and Interesting Puzzles ... (previous) ... (next): Henry van Etten: $112$