Amongst the multitude of mysteries that the universe holds, the answers to what might be the most elusive ones are whether or not is finite or infinite, both in terms of its physical breadth, but also its age: is there a beginning and an end? And for that matter, if it is finite in its physical dimensions, are there other universes that are adjacent to our own? As Einstein famously put it, "Only two things are infinite, the universe and human stupidity, and I’m not sure about the former."

However, Einstein’s tongue-in-cheek quip about the universe have been addressed by two new studies that offer new insight into both the possible physical dimensions of the universe, and the possibility that it may indeed be ageless.
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A recent study has added new evidence to the controversial theory that the three-dimensional nature of our universe is actually a holographic projection from a two-dimensional plane. The holographic principle, as it is known, isn’t widely accepted by the scientific community, as it upends the classical model of physics. However, where the classical model has failed to reconcile quantum mechanics with the macroscopic world, the holographic principle does a much better job of doing so, and this latest study has also offered a real-world demonstration that the principle may be valid.
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Despite the insistence of some physicists that quantum effects only affect things on an extremely small scale, new theories continue to be put forward that the smallest known processes may be responsible for some very, very big phenomena, ranging from things such as the navigational sense of migratory birds, to the potential that they may also be responsible for the very existence of life as we know it on Earth.
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 Researchers from The Australian National University (ANU) have developed a method of freezing and storing light, an important step on the road to developing quantum computers. Most switches used in quantum computing experiments are made up of trapped ions or semiconductor particles, suspended in a state of quantum superposition. Photons, however, could interface much more efficiently with fiber optic networks, without the need for a way to translate the information between the qubit — the quantum-computing equivalent of a classical computer bit — and the computer’s network or interface.
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