the.com/bungee cord

A rope that promises you'll stop falling, eventually, probably, before the ground.

means An elastic cord, typically rubber strands sheathed in woven fabric, used to stretch, secure, or absorb a sudden jolt of force.

from The word 'bungee' likely comes from British dialect slang for something thick or chubby, which got attached in the early 1900s to rubber erasers and elastic items. It leapt into fame with bungee jumping in the 1970s, when a group of thrill-seekers started leaping off bridges tied to elastic cords originally developed for things like aircraft catapults and parachute harnesses — borrowing durable industrial elastic for a very undignified new purpose.

core material
rubber strands bundled inside a woven sheath
stretch ratio
can extend to about twice its resting length
origin
named after bungee jumping, not the other way around
hidden danger
UV light secretly weakens the rubber over years
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