Rhumb Lines and Spirals
This interactive module illustrates, in a historical context, the rhumb lines on the Earth and the spirals that correspond to a remarkable family of their projections in the plane.
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CC BY-NC-ND-3.0
This license is the most restrictive of our six main licenses, only allowing others to download your works and share them with others as long as they credit you, but they can’t change them in any way or use them commercially.
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Bottles and Oceanography
Submitted by Christine Leininger on
Beneath the sea surface, there exists a vast network of ocean currents, which, like gigantic conveyor belts, transport huge water volumes. Although the real map of these currents is extremely complex, a couple of simple physical processes explain most of the large scale features.
The Convertible House
Submitted by Pavel Boytchev on
The film The Convertible House represents a virtual floor plan of house that can change its layout to accustom itself to different weather and environmental conditions. Depending on the actual shape, the house can expose its rooms to sun light; or it can curl up to protect itself during stormy days.
Dimensions
Submitted by IMAGINARY on
Nine chapters, two hours of maths, that take you gradually up to the fourth dimension. Mathematical vertigo guaranteed!
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