A bizarre new theory suggests there may be countless alternate versions of your life playing out at the same time across parallel universes.

According to Oxford physicist Vlatko Vedral, every tiny event in the universe could create a different version of reality, sending another 'you' down a completely separate life path.

In one reality, you took a different job. In another, you married someone else. Somewhere else, you moved across the country or made one small choice that changed your entire future.

The unsettling idea comes from a real branch of quantum physics known as the Many-Worlds interpretation, which suggests reality may constantly split into parallel worlds instead of following one fixed timeline.

Vedral recently argued in Popular Mechanics that humans do not magically create reality simply by observing it, a belief that has spread online through manifestation culture and misunderstood interpretations of quantum physics.

Instead, he says reality changes naturally through ordinary interactions happening every second, whether humans notice them or not.

That means your life may simply be one possible outcome of the same choice made by other versions of yourself in different realities, while the outcome you might have been hoping for unfolds in another parallel universe.

And if the theory is correct, somewhere out there, another version of you could be richer, happier, more successful or living a completely different life shaped by tiny changes in the universe.

The idea is based on one of the strangest concepts in modern science: the Many-worlds interpretation, Vedral wrote in Popular Mechanics.

Quantum mechanics studies the bizarre behavior of particles smaller than atoms, where objects do not always behave according to the rules people experience in everyday life.

For decades, scientists have known that particles can appear to exist in multiple states at the same time until they interact with something else.

One famous example involves light particles called photons. A photon can behave as if it traveled through two paths simultaneously, at least until something interrupts or measures it.

Traditionally, physicists described this process using something called the 'observer effect,' the idea that observing a particle forces it into one final state.

In simple terms, many people came to believe reality behaves like a choose-your-own-adventure story where human observation picks the ending.

Over time, the concept spread far beyond science labs and into pop culture.

Online influencers, self-help gurus and New Age spiritual movements began promoting the idea that human consciousness could shape reality itself, suggesting people could 'manifest' wealth, success or love through thought alone.

But Vedral argues that the interpretation badly misunderstands quantum mechanics.

According to him, consciousness is not special in the way many people believe.

Reality does not suddenly change because a human looked at something.

Instead, any interaction at all can affect the outcome.

A photon hitting sunglasses, dust colliding in space, or particles bouncing off one another are enough to alter reality without human involvement.

Vedral says the universe does not wait for humans to notice something before making a decision. The interaction itself is what matters.

Vedral used sunglasses as a simple example, saying that in one possible outcome, a photon passes through the lens and reaches your eye.

In another, the sunglasses block it completely. The Many-Worlds interpretation proposes that both outcomes continue to exist simultaneously in separate branches of reality.

That would mean two slightly different versions of events continue forward at the same time.

And because countless quantum interactions happen constantly throughout the universe, reality could theoretically split into endless versions every second.

In practical terms, scientists are not claiming people can jump between universes or meet alternate copies of themselves. There is also no evidence proving parallel versions of humans exist.

However, many physicists consider the theory scientifically respectable because it is built directly from the mathematics of quantum mechanics.

Some researchers even argue it solves major problems in physics more elegantly than older explanations involving wave function 'collapse.'

However, the theory remains highly controversial, as one major criticism is that alternate universes cannot currently be tested or observed directly.

That leaves many scientists viewing it as a philosophical interpretation of the math rather than a proven reality.

But the idea continues gaining attention because it challenges humanity's understanding of free will, consciousness and existence itself.

If reality truly branches endlessly, every possible version of your life may already exist somewhere.

There could be another version of you who became rich, another who made different choices, and another whose life unfolded in ways completely unimaginable to you.

Vedral argued the deeper lesson is not that humans secretly control the universe with their minds.

Instead, he said, people are part of a much larger system of interactions constantly shaping reality around them. The universe, in this view, is not centered on human consciousness.

It is an endless web of collisions, particles and probabilities unfolding across countless possible outcomes.

And somewhere across those possibilities, another version of you may already be living a completely different life.