Sliding Down Inclines with Fixed Descent Time: a Converse to Galileo's Law of Chords

https://cms.math.ca/crux/v34/n8/page481-482.pd

Technique for stripping Teflon insulated wire

Cryogenic stripping of Teflon insulated wire leaves no residue and produces no physical damage. After the wire is immersed in liquid nitrogen, bent slightly, and returned to room temperature, the Teflon is removed by fingernails or flat-nosed pliers

Method and apparatus for cryogenic wire stripping Patent

Method and apparatus for removing plastic insulation from wire using cryogenic equipmen