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Tag: Superposition

Quantum world

Superluminal Elf Radio

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Santa’s gift tour is a headache for children every year: How does he manage to visit every child in the world in a single night? But Santa’s travel speed is not the only problem. I wonder: how does he know if the child whose chimney, balcony or front door he is standing in front of has been naughty or nice? Does he carry around the naughty-nice-list in paper form? Is he in radio contact with the North Pole? Or does he have a completely different method? We will ask the question: Is communication faster than the speed of light possible?

Quantum technologies / Quantum world

FAQ: Quantum Computer

Sabrina1 Comment

Everyone is talking about quantum computers. Do you sometimes feel like you’ve missed the boat and no longer dare to ask how a quantum computer actually works and what it’s supposed to be good for? Then my blog series “FAQ: Quantum Computer” is for you! Many news articles on quantum computing do not (or no longer) go into sufficient detail about the new quantum machines, which quickly leads to misunderstandings and confusion.
I have gone into the details of the “miracle machines” in three articles. Here you will find an overview of the questions I have tried to answer – including a short version of the answer.

Quantum technologies / Quantum world

FAQ: Quantum Computer – From classical to quantum computer

Sabrina1 Comment

The quantum computer as the holy grail: with it everything will be better, everything will be faster, unsolvable problems will become child’s play, banks beware – your encryption is finished! Is that really the case? In what are quantum computers really better than classical computers and in what are they perhaps not? In my series “FAQ: Quantum Computers” series, I try to clear up common misconceptions and erase question marks. This is the last part of the series and it’s about the differences between classical and quantum computers.

Quantum world

Schrödinger’s Christmas present

Sabrina2 Comments

Schrödinger’s cat is considered the mascot and heraldic animal of quantum physics. Ever since Big Bang Theory, at the latest, it has also been tapping into the living rooms of non-physicists. But as popular as she is, most people don’t really understand what she’s all about. Since Christmas is just around the corner and I strictly reject animal testing, I decided to do it a little differently: Let’s help Santa Claus and find out if a child is good or bad.