Tag: parallel universes

The theory of quantum mechanics is one of the most successful in all of science. It explains the behaviour of very small objects, such as atoms and their constituent fundamental …

When Albert Einstein’s theory of general relativity began to come to public attention in the 1920s, many people speculated about the “fourth dimension” that Einstein had allegedly invoked. What might …

Another kind of multiverse avoids what some see as the slipperiness of this reasoning, offering a solution to the fine-tuning problem without invoking the anthropic principle. It was formulated by …

Some physicists have long been searching for a “theory of everything”: a set of basic laws, or perhaps just a single equation, from which all the other principles of physics …

The second multiverse theory arises from our best ideas about how our own Universe began. According to the predominant view of the Big Bang, the Universe began as an infinitesimally …

The simplest multiverse is a consequence of the infinite size of our own Universe. We do not actually know if the Universe is infinite, but we cannot rule it out. …

The idea of parallel universes may seem bizarre, but physics has found all sorts of reasons why they should exist. Is our Universe one of many? The idea of parallel …