This could be significant.
The work builds on previous research by Tohoku University theoretical physicist Masahiro Hotta, who back in 2008 claimed to have found a way to produce negative energy, a seemingly counterintuitive aspect of quantum theory, inside a quantum vacuum.
In simple terms, instead of extracting something from nothing, the energy was "borrowed" from somewhere else, taking advantage of the idea of quantum entanglement, the fact that two subatomic particles can change their state in line with the other, even when the two are separated by a distance.The research proved controversial.
The work comes less than a year after Eduardo Martín-Martínez, a theoretical physicist at the University of Waterloo, and his colleagues similarly claimed they'd been able to extract energy out of a vacuum and release it elsewhere inside a quantum system.
Experts, however, argue there could be some tangible benefits to being able to reliably teleport energy across space. For instance, we could make quantum computers more stable, and generally further our understanding of the role energy plays in the quantum world. But there's still plenty of work to be done until we're anywhere near that point — we've only begun to explore the often baffling and counterintuitive world of quantum physics.
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