Dry spaghetti consistently breaks into three or more pieces
Physical experiments and mathematical models confirm that dry spaghetti consistently breaks into three or more pieces when bent to its breaking point due to flexural wave propagation.
Multiple papers discuss and mathematically model the classic spaghetti fracture problem, confirming that brittle rods consistently break into three or more pieces when bent past their flexural limits. There are no refuting papers present.
Heisser RH, Patil VP, Stoop N, Villermaux E, Dunkel J. Controlling fracture cascades through twisting and quenching.. 2018. https://doi.org/10.1073/pnas.1802831115
Studies confirm that dry spaghetti bent beyond its flexural limit typically fractures into three or more pieces rather than just two.
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Long Long, Yuxuan Zheng, Fenghua Zhou, Huilan Ren. Towards Further Understanding the Secondary Fracture during Spaghetti Bent Break. 2021. https://doi.org/10.3390/ma14010189
Mathematical and physical modeling demonstrates that the initial fracture releases flexural waves that propagate through the rod and trigger secondary fractures.
Kai Partmann, Manuel Dienst, Christian Wieners, Kerstin Weinberg. Peridynamic computations for thin elastic rods. 2024. https://doi.org/10.1002/pamm.202400103
Peridynamic simulations successfully replicate the multi-fragment spaghetti fracture phenomenon under bending stresses.
Rod Cross. Why Chalk Breaks into Three Pieces When Dropped. 2015. https://doi.org/10.1119/1.4904233
Historical observations, notably posed by Richard Feynman, confirm that long sticks of brittle materials like spaghetti characteristically break into multiple pieces.
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