There is a set of very special numbers, known as the fundamental constants of nature, that cannot be explained. Where do they come from? Finding out if they are, in fact, constant is the key to ...

The figure illustrates three events in Minkowski spacetime. Event 𝐵 is neither in the past nor in the future of 𝐴, 𝐴 ∼ 𝐵, and event 𝐶 is neither in the past nor in the future of 𝐵, 𝐵 ∼ 𝐶.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The James Webb Space Telescope's view of the iconic Pillars of Creation, famous features within ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The watt balance—also known as the Kibble balance—is a precision electromechanical instrument that has revolutionised the realisation of the kilogram by linking it directly to the Planck constant.

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We can never 100% prove that the constants really are constant. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There is a set of very special ...

A group of Brazilian researchers has presented an innovative proposal to resolve a decades-old debate among theoretical physicists: how many fundamental constants are needed to describe the observable ...