What is quantum computing and why does the future of Earth depend on it?

Computing power is reaching a crisis point. If we continue to follow a trend in place since computers were introduced, by 2040 we will not have the capability to power all of the machines in the world. Unless we can crack quantum computing.

Quantum computers promise faster speeds and stronger security than their classical counterpart and scientists have been striving to create a quantum computer for decades. But what is quantum computing and why have we not achieved it yet?

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Quantum information is teleported from Earth into orbit for the first time

Quantum information has been teleported from Earth into orbit for the first time ever, in a breakthrough towards developing a global quantum network.

Cracking entanglement at long distances is crucial to developing a network for quantum-encrypted communication and quantum computing. Now, with the publication of two new papers, a team of researchers in China has brought us closer to this goal.

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Physicists ‘breed’ largest ever Schrödinger’s cat – and it could help unlock the quantum world

Physicists have created the largest experimental version of Schrödinger’s cat – or the quantum superposition of two states – to date, and they believe the set-up could be used to test the limits of quantum mechanics.

The famous thought experiment, proposed by Erwin Schrödinger in 1935, consists of a cat inside a box with a radioactive substance and a flask of poison. The radiation and poison could both kill the cat but we can’t see inside. As a result, the cat is considered both dead and alive until the box is opened and its state can be seen.

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Stephen Hawking’s strange law of entropy is making atoms on Earth act like black holes


A bizarre discovery has revealed that cold helium atoms in lab conditions on Earth abide by the same law of entropy that governs the behaviour of black holes.

The law, first developed by Professor Stephen Hawking and Jacob Bekenstein in the 1970s, describes how the entropy, or the amount of disorder, increases in a black hole when matter falls into it. In particular, it explains that entropy only increases when the surface area of the black hole changes, not the volume. It is like measuring how many files there are in a filing cabinet based on the surface area of the drawer, rather than how deep

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‘Impossible’ state of matter made of ‘time crystals’ has been created in a lab

A bizarre new state of matter, known as a time crystal, has been created in the lab for the first time. While some may associate the word ‘crystal’ with crystal balls and jewellery, in scientific terms a crystal is a material that has a repeating atomic structure.

This means if you started at one atom, and looked along any direction you chose, you would see a repeating pattern of other atoms. This structure happens a lot in nature, for example in snowflakes, salt or diamonds.

Now, researchers have created a completely new type of crystal, a time crystal, which repeats its pattern in time rather than space.

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Theory claims to offer the first ‘evidence’ our Universe is a hologram

Despite how extreme the idea sounds, theories about the Universe being an illusion or a hologram aren’t new. Now, researchers claim to have found evidence towards proving this hypothesis.

A team of theoretical physicists at the University of Southampton believes it has found signs our Universe is an illusion by studying the cosmic microwave background (CMB) – radiation left over from the Big Bang.

Read more on WIRED

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