Beside e-mail, photograph archiving and music storage, Google and others offer free online word-processing and spreadsheet applications.Clouds in the skyFor years Microsoft's Windows logo often appeared against a blue sky with cottony clouds.
Aircraft could be made a lot lighter by replacing metal wiring which for a big plane can amount to some 320km of cable and braided shielding, which prevents signal interference with natural and synthetic fibres treated to conduct electricity.One such fibre, a cottony yarn branded ARACON, is being used by Airbus, Boeing, Bombardier and Embraer in some of their aircraft.
Scale insect, any member of several families of insects (order Homoptera) that have a body covered by a protective waxy shell, often resembling scales or cottony cushions.
This has occurred in the United States with the oyster scale (Lecanium) of apple, the cottony cushion scale (Icerya) of citrus, the European corn borer (Pyrausta nubilalis; also called Ostrinia nubilalis), and others.
The nymphs, resembling scale insects, are flat, oval, and usually covered with a cottony substance; the adults, 2 3 mm (0.08 0.12 inch) long, are covered with a white opaque powder and resemble tiny moths.
A classic example is the cottony cushion scale, which threatened the California citrus industry in 1886.
Exceptions occur in some scale insects (e.g., cottony maple scale) where a female may lay 5,000 eggs.
Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds.
It has a cottony appearance and consists of interlaced hyphae.
An unusual situation occurs in the normally hermaphroditic cottony cushion scale Icerya purchasi, in which both male and female sexual organs are present in one individual and the eggs of any individual may be fertilized by its own sperm.
