Scientists build ‘flexible’ quantum computer

The coming time is already very bright for quantum computer, but the latest variation on the ultra-powerful new tech can do wonders. The latest computer can do what none other can, as it can be reprogrammed to crunch new algorithms.

Worldwide computer scientists have built dozens of tiny, simple quantum computers-machines so far that rely on mind-bending physics of atoms for solving complex math in easy steps, but they were nearly entirely ‘rigid’ devices. They were actually the single-use computers that can't be reprogrammed to perform new tasks once they have been created.

But, a group of scientists headed by Shantanu Debnath at the University of Maryland has come up with a ‘flexible’ quantum computer. The latest computer has been described in detail in a paper that appeared recently in the journal Nature.

You can get the coolness factor of Debnath's new, flexible quantum computer, if you know and understand working of quantum computers. Here is how they work: When you deal with the circuits, all present day computers actually work the same way. In simple words, they just shuffle data around with the help of some simple rules. The data is composed of bits-single fragments of information having one of two binary states. These bits represent either 1s or 0s in computers, and just like a light-bulb it’s either on or off.

Quantum computers use something extremely strange. Quantum theory says that there are some situations where a piece of matter can be two things simultaneously. It tells that you can possess an atom spinning in two different directions right away, or a light bulb shinning and not shining simultaneously. Once physicist Niels Bohr said, “Those who are not shocked when they first come across quantum theory cannot possibly have understood it”.

A report published in Yahoo revealed, "While computer scientists worldwide have already built dozens of small, simple quantum computers-machines that use the mind-bending physics of atoms to solve complex math in simple steps-they've been almost entirely "rigid" devices. Basically single-use computers that can't be reprogrammed to do new things after they've been built."

When you dive down into the circuits, all modern computers basically function the same way. Simply put, they shuffle data around using a few simple rules. All that data is made up of bits-single fragments of information with one of two binary states. In your computer, these bits represent either 1s or 0s. Like a light-bulb that's either on or off.

A quantum computer basically leverages that weird dual state of matter-called superposition-so that its bits of information aren't just 1s and 0s, but can also be a combo of both. This is called a quantum bit, or a qubit. Using qubits could theoretically allow computers to crunch insanely difficult computational problems in single steps by drastically increasing the amount of data that can be moved at once.

According to a report in Digital Trends by Luke Dormehl, "Essentially the idea behind the performance was to give an astonishingly powerful quantum computer the opportunity to create music alongside a trained (human) classical singer. In a 15-minute piece, broken into three different movements, mezzo-soprano Juliette Pochin had her voice sent across the internet to the quantum D-Wave machine at the University of South California’s Information Sciences Institute in Marina Del Rey."

“There are three subsystems [involved],” organizer Alexis Kirke, senior research fellow at the Interdisciplinary Centre for Computer Music Research at England’s Plymouth University, told Digital Trends. “The laptop has a sound generator and communications server in the room with Juliette.

Confused? You’d be forgiven for not understanding all the intricacies of the work, but it’s a fascinating example of how even processes as seemingly abstract as quantum computing can be used to create fascinating art. “I was overwhelmed by how well it went,” Kirke said. “The performance went better than all the rehearsals. Juliette sounded wonderful, and the music generated live by the computer, particularly in its solo movement in part two, was great.

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