A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for scientists and ...

Visualising 1 × 10 90 as the number of particles in the universe was seen as a sort of upper limit for all practical purposes for numbers(9 August, p 28). Why bother with infinity? I think we are ...

1 × 10 90 seems very small compared with the useful numbers used to generate cryptography keys. Given that such numbers are routinely involved in calculations with practical real-world applications, ...