To 'have a chip on your shoulder' means to have an irrational resentment directed at other people (especially those who are not a member of a group or community which you identify with) because of a sense of inferiority (or an erroneous impression that others see you as inferior).
Part of the Nanotechnology glossary: A nanometer is a unit of spatial measurement that is 10-9 meter, or one billionth of a meter. It is commonly used in nanotechnology, the building of extremely small machines. This was last updated in September 2005. Contributor(s): Ian Pulham.
one nanometer corresponds to a length which is one billionth of a meter or about one ten thousandth the diameter of a human hair source one billionth of a meter 1 1000000000source a nanometer is a billionth of a meter 10 9 m and around 50000 times finer than the average human hairsource a nanometer is a measure of length 1 nm 0 000000001 meter 1 billionth of a meterne billionth of a meter approximately the length of three to six atoms placed side by side or the width of a single strand of dna the thickness of a human hair is between 50000 and 100000 nanometers source a unit of measurement equal to one billionth of one meter