Polygon

Spherical aberration image correction plugin for digiKam

Doubling the edge lengths of a polygon multiplies its area by four, which is two (the ratio of the new to the old side length) raised to the power of two (the dimension of the space the polygon resides in).

Among them, Aristotle proposed a spherical Earth in 330 B.C.

A geodesic dome is a spherical or partial spherical shell structure or lattice shell based on a network of great circles (geodesics) on the surface of a sphere.

To calculate the total area and volume of oil contaminated sediments, Saudi Arabia relies on a polygon of influence method.

On April 9, 1970, Frank Fox applied to patent his Spherical 3 3 3 .

Before hyperbolic geometry, mathematicians knew about two kinds of space Euclidean space, and spherical space.

A marble is a small spherical toy usually made from glass, clay, steel, plastic or agate.

It is roughly spherical, about 20 million light years in diameter and contains more than 3,000 galaxies.

Other papers, such as one on the determination of the direction of Mecca, are on the spherical astronomy.

The following are some effects which make real orbits differ from the simple models based on a spherical earth.

Around 330 BC, Aristotle maintained on the basis of physical theory and observational evidence that the Earth was spherical.

The parabolic reflector transforms an incoming plane wave traveling along the axis into a spherical wave converging toward the focus.

Finally, spherical nanoparticles have three dimensions on the nanoscale, i.e., the particle is between 0.1 and 100 nm in each spatial dimension.

The Angels Beings which have appeared in order to claim Cores embodied as small spherical objects in order to eventually destroy the humanity.

The current best such set of spherical harmonic coefficients is EGM96 (Earth Gravity Model 1996), determined in an international collaborative project led by NIMA.

According to the Big Bang model, the radiation from the sky we measure today comes from a spherical surface called the surface of last scattering .

It builds a spherical nest among reeds in up to 1.5 m (5 ft) deep water, usually about 20 cm (8 in) above the water.

In quantum physics, the scattering amplitude is the amplitude of the outgoing spherical wave relative to the incoming plane wave in a stationary state scattering process.

Conversely, a spherical wave generated by a point source placed in the focus is reflected into a plane wave propagating as a collimated beam along the axis.

The universal belief in a flat Earth is confirmed by a contemporary Chinese encyclopedia from 1609 illustrating a flat Earth extending over the horizontal diametral plane of a spherical heaven.

Structure The spherical virus particles (virions) of Togaviridae have a diameter of 50 to 70 nm and are covered by a lipid membrane (viral envelope), derived from the host cell membrane.

The only known survivors of the Collapse are those living on Earth, who were saved by the Traveler, a white, spherical celestial body whose appearance centuries before had enabled humans to reach the stars.

Thus, its main application in optics is to solve the problem, Given a light source and a spherical mirror, find the point on the mirror where the light will be reflected to the eye of an observer.

The tomatillo (Physalis philadelphica), known as the Husk Tomato or Mexican Husk Tomato, is a plant of the nightshade family, related to the cape gooseberry, bearing small, spherical and green or green purple fruit of the same name.

The galactic coordinate system is a celestial coordinate system in spherical coordinates, with the Sun as its center, the primary direction aligned with the approximate center of the Milky Way galaxy, and the fundamental plane approximately in the galactic plane.

On the recommendation of Miletić, the Serbian armed forces posed messenger pigeon stations (in 1908 in Medosevac near Nis and in 1909 in Pirot), and bought two free spherical and one tied kite balloon from the August Ridinger company from Augsburg.

Accordingly, the 13th century scholar Li Ye, who argued that the movements of the round heaven would be hindered by a square Earth, did not advocate a spherical Earth, but rather that its edge should be rounded off so as to be circular.

And the effect of this is that as the droplets start to form on the bumps, they stay in tight, spherical beads, which means they're much more mobile than they would be if it was just a film of water over the whole beetle's shell.

By the 1st century AD, Pliny the Elder was in a position to claim that everyone agrees on the spherical shape of Earth, though disputes continued regarding the nature of the antipodes, and how it is possible to keep the ocean in a curved shape.

The conductor of the shaft to the terminal (topload) is in the form of a cylinder with smooth surface of a radius much larger than that of the spherical metal plates, and widens out at the bottom into a hood (which is slotted to avoid loss by eddy currents).

The rational for the world s first flight school goes something like when the coastguards come up to me and say they used to leave us alone when we were diving these goofy little spherical things, but when we started flying around in underwater jet fighters they got a little nervous they would come up and say, Do you have a license for that?