Following, developed from a file produced by Pablo Carlos Budacci, and housed at WikiMedia, is a description of real (or as close as quantum nonsense gets to reality) objects of sizes in order of magnitude.
The first item in each entry is the size of objects in that area of the scale. As a refresher, 10^3m is ten to the third power (1,000) meters, so that’s a kilometer. 10^3 is sometimes pronounced “a one with three zeroes after it”. Likewise, 10^-3m is ten to the minus third power (0.001) meters, so that’s a millimeter, sometimes pronounced “a one with three zeroes in front of it”, provided you remember that the first of those zeroes is in the ONES place.... [Read More]