School Days

School Days may refer to:

Music

Innocence

Innocence (or guiltlessness) is a term used to indicate a lack of guilt, with respect to any kind of crime, or wrongdoing. In a legal context, innocence refers to the lack of legal guilt of an individual, with respect to a crime.

In relation to knowledge

Innocence can also imply lesser experience in either a relative view to social peers, or by an absolute comparison to a more common normative scale. In contrast to ignorance, it is generally viewed as a positive term, connoting an optimistic view of the world, in particular one where the lack of knowledge stems from a lack of wrongdoing, whereas greater knowledge comes from doing wrong. This connotation may be connected with a popular false etymology explaining "innocent" as meaning "not knowing" (Latin noscere (To know, learn)). The actual etymology is from general negation prefix in- and the Latin nocere, "evil" or "guilty".

People who lack the mental capacity to understand the nature of their acts may be regarded as innocent regardless of their behavior. From this meaning comes the term innocent to refer to a child under the age of reason, or a person, of any age, who is severely mentally disabled.

Blue

Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres. Blues with a higher frequency and thus a shorter wavelength gradually look more violet, while those with a lower frequency and a longer wavelength gradually appear more green. Pure blue, in the middle, has a wavelength of 470 nanometres. In painting and traditional colour theory, blue is one of the three primary colours of pigments, along with red and yellow, which can be mixed to form a wide gamut of colours. Red and blue mixed together form violet, blue and yellow together form green. Blue is also a primary colour in the RGB colour model, used to create all the colours on the screen of a television or computer monitor.

The modern English word blue comes from Middle English bleu or blewe, from the Old French bleu, a word of Germanic origin, related to the Old High German word blao. The clear sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. When sunlight passes through the atmosphere, the blue wavelengths are scattered more widely by the oxygen and nitrogen molecules, and more blue comes to our eyes. Rayleigh scattering also explains blue eyes; there is no blue pigment in blue eyes. Distant objects appear more blue because of another optical effect called atmospheric perspective.