Micrometre (Paperback)

High Quality Content by WIKIPEDIA articles! A micrometre or micron is one millionth of a metre, or equivalently one thousandth of a millimetre or one thousand nanometres. It can also be written in scientific notation as 1106 m, meaning 11000000 m. A strand of human hair is about 100 m wide. Red blood cells are approx. 8 m in diameter. The micrometre is a common unit of measurement for wavelengths of infrared radiation. The name micron and the solitary symbol (both of which were official between 1879 and 1967) are still used (especially in astronomy and in the semiconductor industry) to denote a micrometre