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2. Kronecker product - Wikipedia

   en.wikipedia.org/wiki/Kronecker_product

   In mathematics, the Kronecker product, sometimes denoted by ⊗, is an operation on two matrices of arbitrary size resulting in a block matrix.It is a specialization of the tensor product (which is denoted by the same symbol) from vectors to matrices and gives the matrix of the tensor product linear map with respect to a standard choice of basis.

3. Bungee cord - Wikipedia

   en.wikipedia.org/wiki/Bungee_cord

   A bungee cord (sometimes spelled bungie; also known as a shock cord or an ocky strap) is an elastic cord composed of one or more elastic strands forming a core, usually covered in a woven cotton or polypropylene sheath. The sheath does not materially extend elastically, but it is braided with its strands spiraling around the core so that a ...

4. Factorial experiment - Wikipedia

   en.wikipedia.org/wiki/Factorial_experiment

   Similarly, a 2×2×3 experiment has three factors, two at 2 levels and one at 3, for a total of 12 treatment combinations. If every factor has s levels (a so-called fixed-level or symmetric design), the experiment is typically denoted by s k , where k is the number of factors.

5. Bungee jumping - Wikipedia

   en.wikipedia.org/wiki/Bungee_jumping

   Bungee jumping (/ ˈ b ʌ n dʒ i /), also spelled bungy jumping, is an activity that involves a person jumping from a great height while connected to a large elastic cord. The launching pad is usually erected on a tall structure such as a building or crane, a bridge across a deep ravine , or on a natural geographic feature such as a cliff.

6. Parachute cord - Wikipedia

   en.wikipedia.org/wiki/Parachute_cord

   Parachute cord (also paracord or 550 cord when referring to type-III paracord) is a lightweight nylon kernmantle rope originally used in the suspension lines of parachutes. This cord is now used as a general purpose utility cord. This versatile cord was used by astronauts during the 82nd Space Shuttle mission to repair the Hubble Space ...

7. Video shows terrifying moment bungee cord snaps on slingshot ...

   www.aol.com/news/video-shows-terrifying-moment...

   In 2017, a bungee ride stopped working at a county fair in California, leaving riders suspended in the air for nearly half an hour. One of the passengers, 19-year-old Roger Rodriguez, was left ...