Nits are the eggs of lice. Nits are small, oval shaped and usually a yellowish-white color and are firmly attached to the side of hair shafts. Discard the nit or louse on a tissue or by running the comb under warm water. 1 NIT = 1 cd/m 2 So you had a bug at one point, but sometimes, the mother lays some eggs and then travels to another head, or finds this head incompatible to her … Nits are laid and glued within ¼ inch (6mm) of the scalp. And head lice are found nowhere else on the planet except in human hair. If you find nits further down the hair, more than 1⁄4 inch (6mm) away … Nits is a unit that measures brightness in terms of area, or in technical terms, candela (a standard unit of light equivalent to the light produced by a single candle) per square meter. Oval-shaped nits are about the size of a knot in thread. Nits look like dandruff but stick strongly to hair. Your screen, whether it’s an internal one or an external one, outputs a certain number of nits and this measurement is a part of its basic specifications. Well, in order to have nits, you had to have had an adult female lay them, as they can’t transfer by any other method. Nits is a measure of brightness, or more accurately, of luminosity. Nits are the eggs of head lice, parasites which live on the human scalp and feed on their host’s blood.Usually, nits are found attached to the hair shafts of their host. A higher rating means a brighter display. It comes from the Latin Nit ere, which means “to shine.” NIT is equivalent to Candela (cd/m 2), but is not part of the International System of Units (abbreviated SI, from Systeme International, in French). Simply having nits does not necessarily mean that your child has live lice, though, since some nits may be empty egg casings … Avoid head-to-head contact with other people. Once fixed to the hair, a nit does not move or slip down the hair strand. In order to eliminate a head lice infestation, both hatched lice and nits must be killed or otherwise removed from their host’s scalp. They're difficult to see, but you can feel them if you run a fingernail down the hair shaft from the scalp. NIT is a metric for measuring luminance, which is how much light an object emits. This is how lice usually transfer from person to person. It takes about 7 to 10 days for a newly hatched louse to grow into an adult and start to lay eggs. Unlike dandruff, you cannot easily brush out nits. You should look for nits close to the scalp, rather than at the end of the hair. The sun at noon is rated at 1.6 billion nits. Nits are the empty yellow-white eggshells which are left when the lice hatch. What we commonly call “nits” are actually the eggs of very small insects known as head lice. 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