Dark Energy makes space – time non-commutative.

Can you imagine those much dreamed of anti-gravitational technologies to travel both on Earth and in space, it seems that they can become a reality, for decades scientists have been observing that the universe is expanding at an ever increasing speed, as if something invisible is pushing everything away, accelerating the cosmos without stopping, that “mysterious something” became known as dark energy, but what is it really?

A new study based on string theory and DESI telescope data suggests that this force may arise from an unconventional, quantum behavior of space-time, something we've never seen before - get comfortable in your seat because this explanation may be the first concrete observational evidence of quantum gravity in action.

The proposal comes straight from the depths of theoretical science, according to scientists on subatomic scales space and time do not follow conventional rules, they propose a non-commutative space-time, which means that the order in which space and time are measured changes the outcome, that behavior is already known in quantum mechanics, but applying it to the entire universe is revolutionary.

And that is exactly what string theory allows to explore the fabric of the cosmos with the tools of quantum gravity. Using this model, researchers came to a bold prediction: dark energy is not constant as many thought, but decreases over time. That prediction fits perfectly with the real data from the Desi telescope that measures the structure of the universe and follows its expansion. physics and may be the beginning of a new era of cosmic understanding.

Scientists are already proposing simple and compact tabletop experiments to try to detect effects of quantum gravity. The idea is to capture interference patterns that are impossible in classical physics, but expected if space-time really has a non-commutative structure. If these experiments work, we will be facing the first practical bridge between quantum physics and cosmology, something that has been sought for more than a century.

Although the topic seems distant, understanding dark energy and the structure of space-time can open paths for today's unimaginable technologies, control of gravitational fields, manipulation of the structure of space and who knows advanced forms of propulsion based on distortions in the fabric of the universe, it may seem crazy but if string theory is correct, the physics of the future will seem like magic to our eyes today, but are we really ready to understand the codes of space-time or will this search only lead us to answers that our current logic cannot even reach? like having a car without fuel to run.

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