There are two concepts that come up frequently in science and engineering, they are precision and accuracy. Precision is roughly how detailed something is, how much information there is. While accuracy is how correct that information is, how well it corresponds to reality. If you ask me what time it is, and I say “it’s ten forty-two in the morning” that’s a pretty precise answer. If in fact it’s 11:25 a.m., though, it was not a very accurate answer. If instead I answered “it’s e...
