Beacons can also be combined with semaphoric or other indicators to provide important information, such as the status of an airport, by the colour and rotational pattern of its airport beacon, or of pending weather as indicated on a weather beacon mounted at the top of a tall building or similar site.

The Belgian Blue is named after their typically blue-grey mottled hair colour, however its colour can vary from white to black.

Originally a dark beer, a modern bock can range from light copper to brown in colour.

The beer should be clear, and colour can range from light copper to brown, with a bountiful and persistent off-white head.

Some dot matrix printers, such as the NEC P6300, can be upgraded to print in colour.

As a result, colour graphics can take up to four times longer to print than standard monochrome graphics, or up to 8-16 times as long at high resolution mode.

A monochrome printer can only produce an image consisting of one colour, usually black.

A colour printer can produce images of multiple colours.

A photo printer is a colour printer that can produce images that mimic the colour range ( gamut ) and resolution of prints made from photographic film.

Hence I can see no reason to doubt that natural selection might be most effective in giving the proper colour to each kind of grouse, and in keeping that colour, when once acquired, true and constant.

More links are then connected to that person ’ s link so you can remember what colour their shirt was, what the weather was like when you met them, etc.

Note that if the operations are performed in a colour space where γ is not equal to 1 then the operation will lead to non-linear effects which can potentially be seen as aliasing artifacts ( or ' jaggies ') along sharp edges in the matte.

When boiling eggs for Easter, a popular tan colour can be achieved by boiling the eggs with onion skins.

Generally, the quality called timbre or " tone colour " varies because the flute can produce harmonics in different proportions or intensities.

Hair colour and texture can be a sign of ethnic ancestry.

The concept of " formatting " in these devices allows the screen to be divided into clusters of contiguous character cells for which numerous " attributes " ( colour, highlighting, character set, protection from modification ) can be set.

Oil paint can be said to be the least satisfactory medium for murals because of its lack of brilliance in colour.

The Y and Z sites can accommodate a variety of cations, especially various transition metals ; this variability in structural transition metal content gives the tourmaline group greater variability in colour.

The shape of these, and the varied colour of their skins, is much like roes, but in size they surpass them a little and are destitute of horns, and have legs without joints and ligatures ; nor do they lie down for the purpose of rest, nor, if they have been thrown down by any accident, can they raise or lift themselves up.

In the late 1660s and early 1670s, Newton expanded Descartes ' ideas into a corpuscle theory of light, famously showing that white light, instead of being a unique colour, was really a composite of different colours that can be separated into a spectrum with a prism.

* The copper can also change colour registers once per scanline, creating the " raster bars " effect seen commonly in Amiga games.

The copper can go further than this and change the background colour often enough to make a blocky graphics display without using any bitmap graphics at all.

The colour change displayed by many species is initiated by hormones secreted by the pituitary gland.

Unlike bony fish, there is no direct control of the pigment cells by the nervous system, and this results in the colour change taking place more slowly than happens in fish.

Although colour change in leaves occurs wherever deciduous trees are found, coloured autumn foliage is noted in various regions of the world: most of Anglo-America, Eastern Asia ( including China, Korea, and Japan ), Europe, parts of Australia and New Zealand.

As the bean pods mature, they turn yellow and dry up, and the beans inside change from green to their mature colour.

For example, an image may have areas of colour that do not change over several pixels ; instead of coding " red pixel, red pixel, ..." the data may be encoded as " 279 red pixels ".

If applied to optical wavelengths, this manifests itself as a change in the colour of visible light as the wavelength of the light is increased toward the red part of the light spectrum.

They famously change colour with the seasons.

When the styles and perianth parts are different colours, the visual effect is of a colour change sweeping along the spike.

** Electrochromic effect: creation of an absorption band at some wavelengths, which gives rise to a change in colour

During the moulting process, several species change colour.

In 1793 he explained the mode in which the eye accommodates itself to vision at different distances as depending on change of the curvature of the crystalline lens ; in 1801 he was the first to describe astigmatism ; and in his Lectures he presented the hypothesis, afterwards developed by Hermann von Helmholtz, that colour perception depends on the presence in the retina of three kinds of nerve fibres.

The gleaming marble surfaces were smooth, curved, fluted, or ornately sculpted to reflect the sun, cast graded shadows and change in colour with the ever-changing light of day.

While the Roman Rite adopts no special designation for this final part of Ordinary Time, some denominations do, and may also change the liturgical colour.

The colour of the light emitted by the lamp changes as its electrical characteristics change with temperature and time.

This causes the locust to change colour, eat much more, and breed much more easily.

In the end, the gods listen to Thisbe's lament, and forever change the colour of the mulberry fruits into the stained colour to honour the forbidden love.

If filters that absorb much light or change the colour of the image are used, it is difficult to compose, view, and focus on an SLR, but the image through a rangefinder viewfinder is unaffected.

Nitroprusside changes from pink to purple in the presence of acetoacetate, the conjugate base of acetoacetic acid, and the colour change is graded by eye.

Normally, the indicator causes the colour of the solution to change depending on the pH.

Tlillan-Tlapallan ' Place of the black and red colour ' is a legendary place or region on the Gulf Coast of Mexico where king Quetzalcoatl went on his flight from Tollan in order to burn himself and change into the Morning Star.

A complete change from the normal practice ( sticking to a single majority colour ) was that every set had its own colour scheme, often in bright neon colours.