Corkscrew

Corkscrew may be:

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• Corkscrew (tool), a tool for drawing stopping corks from bottles
• Corkscrew (roller coaster), a popular inversion element used on many steel roller coasters.
• Corkscrew waterslide, a helix-shaped waterslide, and also the proper name of the waterslide at Toronto's Delta Chelsea hotel (the 4-storey waterslide known as the Corkscrew).
• Corkscrew (program), a computer program used to run SSH connections over HTTPS proxy servers.
• The corkscrew, a swimming stroke in which the swimmer alternates between freestyle and backstroke with every stroke.
• The shape made by a complex exponential $exp(2\; pi\; i\; f\_c\; t)$ when plotted as a three dimensional plot of Real, Imaginary, and t.

See also helicity.

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