https://www.youtube.com/watch?v=RwtXVW0IWEk

basic explanation of breaking of twisted and untwisted single spaghetto

The Secrets of Breaking Spaghetti

Spaghetti Strength Experiment

simple setup for exerting a transverse force on spaghetti

https://www.youtube.com/watch?v=xICYuJFFQdg

Controlling fracture cascades through twisting and quenching

The effects of twist and quench dynamics of bending-induced fracture of elongated rod-like objects are explored systematically. Combining theory and experiment, they demonstrate
controlled binary fracture of brittle elastic rods for two distinct protocols based on twisting and nonadiabatic quenching. Their experimental data for twist-controlled fracture agree quantitatively with a theoretically predicted phase diagram.

https://www.pnas.org/doi/pdf/10.1073/pnas.1802831115

Design, Development, and Characterization of an Experimental Device to Test Torsion-Controlled Fracture of Thin Brittle Rod

Bachelor's thesis focusing on how to set up a reproducible experiment for twisting and bending spaghetti

https://dspace.mit.edu/bitstream/handle/1721.1/105705/964527415-MIT.pdf?sequence=1

Geometry, topology and mechanics of twisted elastic fibers

PhD thesis, in which they explore the impact of twist on the failure and stability of elastic rods by studying fragmentation and knot dynamics. Combining theory, experiments and analytic scaling arguments, they demonstrate that twist may be used to achieve binary fracture of brittle elastic rods. In the secondhalf of this thesis, they use twist to investigate the stability of softer fibers in knotted configurations.

https://dspace.mit.edu/bitstream/handle/1721.1/139535/patil-vppatil-phd-math-2021-thesis.pdf.pdf?sequence=1&isAllowed=y