Shading brings 3D forms to life, beautifully carving out the shape of objects around us. Despite the importance of shading ...

From four-dimensional hexagons to the mind-bending amplituhedron, geometrical shapes are wilder than we learn at school - and ...

Parallel rules help draftsmen, surveyors, cartographers, architects, and navigators draw accurate parallel lines. The instrument comes in two main forms: two rectangular straight edges ... The objects ...

Delta Air Lines is now using a “Parallel Reality” departure board at Detroit Metropolitan Airport — a digital screen which uses non-biometric object detection and “multi-view pixels” to ...

Left: Ponzo Illusion. Right LivioAndronico (2013) wikimedia commons The two horizontal lines in the Ponzo Illusion (left image) are actually the same length, but to most people, the lower line ...

Time is parallel. The speed of time (on earth) is indubitable but everyone’s perception of the speed is somehow different. Using multiple clocks and cables to create a number of parallelograms, a ...

Point the lens at a distance object outside the window – for instance a tree or building. The greater the distance, the better. Rays of light from this object are taken to be parallel as the ...