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Many shapes have metaphorical names, i.e., their names are metaphors: these shapes are named after a most common object that has it. For example, "U-shape" is a shape that resembles the letter U , a bell-shaped curve has the shape of the vertical cross section of a bell , etc.
A skill toy is an object or theatrical prop used for dexterity play or an object manipulation performance. A skill toy can be any static or inanimate object with which a person dances, manipulates, spins, tosses, or simply plays. Most skill toys are played alone, although some can be played with multiple people (such as footbag, juggling, and ...
In navigation the instrument is also called a cross-staff and was used to determine angles, for instance the angle between the horizon and Polaris or the sun to determine a vessel's latitude, or the angle between the top and bottom of an object to determine the distance to said object if its height is known, or the height of the object if its distance is known, or the horizontal angle between ...
Impossible object: Irradiation illusion: Isometric illusion: An isometric illusion (also called an ambiguous figure or inside/outside illusion) is a type of optical illusion, specifically one due to multistable perception. Jastrow illusion: The Jastrow illusion is an optical illusion discovered by the American psychologist Joseph Jastrow in 1889.
A crux immissa or Latin cross. A Latin cross or crux immissa is a type of cross in which the vertical beam sticks above the crossbeam, [1] giving the cross four arms. Typically the two horizontal and upper vertical arm are the same length, although sometimes the vertical is shorter, however the lower vertical arm is always much longer than any other arm.
If a plane intersects a solid (a 3-dimensional object), then the region common to the plane and the solid is called a cross-section of the solid. [1] A plane containing a cross-section of the solid may be referred to as a cutting plane. The shape of the cross-section of a solid may depend upon the orientation of the cutting plane to the solid.
When a person stares at an object, the two eyeballs rotate sideways to point to the object, so that the object appears at the center of the image formed on each eye's retina. In order to look at a nearby object, the two eyeballs rotate towards each other so that their eyesight can converge on the object. This is referred to as cross-eyed viewing.
The Koine Greek terms used in the New Testament of the structure on which Jesus died are stauros (σταυρός) and xylon (ξύλον).These words, which can refer to many different things, do not indicate the precise shape of the structure; scholars have long known that the Greek word stauros and the Latin word crux did not uniquely mean a cross, but could also be used to refer to one, and ...