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 ...

Sometimes Feedback gets an email with such a punchy opening line, we basically have to include it. Hence, we perked up when Elliot Baptist emailed to say: “I thought Feedback might like to know, if ...

This image shows five newly discovered superstructures. Quipu (red) is the largest structure ever found in the universe. The others are Shapley (blue), Serpens-Corona Borealis (green), Hercules ...