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Today I want to introduce a topic that is rapidly gaining ground in our digital age: quantum computers. The world as we know it is about to undergo an epochal transformation, and it will all be thanks to these cutting-edge devices that are emerging in the technological landscape.
Imagine being able to compute in an instant what currently takes years of processing. This is exactly what quantum computers promise to achieve. While our current computers rely on bits that can only be either 1 or 0, quantum computers use qubits, which can exist in a state of 1, 0, or both simultaneously. This concept might seem bewildering, but in practice, it means that a quantum computer can solve incredibly complex problems at a mind-boggling speed.
But how do these qubits work? One of the techniques involves the use of trapped ions in magnetic and electric fields. These ions can be brought into different states with the help of radiation and microwaves and can store information. The results are then read through microwave radiation. This is just one of the methodologies, but all of them share the challenge of keeping the qubits stable, as they are incredibly sensitive to any external disturbances.
This is where the experts come in: they cool these “ionic traps” to temperatures close to absolute zero to make the ions more stable. But even if they are flawless in protecting against vibrations and electric fields, qubits remain unstable for brief fractions of a second. This makes programming a quantum computer a fascinating and complex task.
One fascinating aspect of these computers is their ability to perform superluminal calculations, thanks to a phenomenon called “quantum entanglement.” In simple terms, qubits are linked to each other so that when one changes state, its quantum counterpart does so simultaneously, regardless of the distance between them. This could enable incredibly fast calculations and ultra-rapid communication in the future.
The potential of these computing powerhouses is staggering. With just 3 qubits, they can represent 8 states simultaneously. With 300 qubits, we surpass the number of particles in the known universe. This…