This Is Your Brain on Quantum Computers

Machines enrich and enhance our lives, whether it’s the smartphones that allow us to stay connected or the supercomputers that solve our toughest computational problems. Imagine how much more productive and innovative our world will be when computers become infinitely more powerful. Indeed, the growing field of quantum computing may make our current technological capacities look feeble and primitive in comparison. It could even transform the workings of the human brain and revolutionize how we think in ways we can’t begin to imagine.

Today, computers operate at the most basic level by manipulating two states: a zero or a one. In contrast, quantum computers are not limited to two states, but can encode information in multiple states that exist in superposition, also known as quantum bits or qubits.

In other words, this technology takes advantage of one of the most fascinating properties of the quantum world: the ability of subatomic particles to exist in more than one state at any given time. Consequently, a quantum computer can perform many calculations at the same time, whereas a traditional Turing machine can only perform a single calculation at once. Such quantum machines will be millions of times more powerful than our most powerful current computers.

The revolutionary implications of such a computing capacity are immense and will contribute to the acceleration of human thinking and progress.

Quantum computers can allow us to push the limits of artificial intelligence, derive ground-breaking insight from big data, advance cryptography, develop new materials, and even simulate virtual quantum systems like never before. According to Greg Tallant, Lockheed Martin fellow at the USC center, “The technology could be harnessed to speed the debugging of millions of lines of code or help solve the aerospace industry’s toughest computational problems.”

Many techno-optimists believe that quantum computers will allow us to expand our understanding and capabilities by giving us access to machines that think in ways we never have in multiple states and dimensions at once. But what if it wasn’t just our machines that were unfathomably more intelligent? What if we were too?

Imagine being able to ponder multiple ideas at the same time, solve several mathematical equations at once, or have a conversation with more than one person. Imagine what kind of world we would live in if every person could exist in a multitude of mental states.

One wild application of quantum computers may be to design them as a carrier for our minds. While this sounds like science fiction, we are seeing exponential growth in brain scanning and mapping technologies, along with neural engineering, which will all contribute to our ability to model the brain and develop technologies that can digitally replace some or all of its functions.

Hundreds of millions of dollars are being invested in brain-computer interfaces and implants. Neuroscientist Kenneth Hayworth writes in Skeptic magazine, “All of today’s neuroscience models are fundamentally computational by nature, supporting the theoretical possibility of mind-uploading”. Couple that with the rapidly growing advancements in quantum computing and the futuristic hope that we will one day upload our minds into machines. After all, the laws of physics don’t limit that possibility.

There are plenty of technical, scientific, and even philosophical questions yet to be answered. Even with the capability, some wonder whether our sense of self would go along for the ride, or if we would have effectively created a copy of ourselves. And perhaps instead, we may simply link more closely with computers via brain-machine interfaces.

In either case, we will undoubtedly find our capabilities enhanced.

And perhaps an even more mind-blowing aspect of quantum computing is the idea put forward by Oxford University quantum physicist, David Deutsch, who suggests that quantum computers function by distributing parallel work across many different universes. These new machines could be humanity’s first baby steps towards harnessing the computational power of a multiverse.

But we are seeing progress in the field.

Regardless of whether human consciousness naturally relies on some form of quantum phenomena (many speculate that it does but we do not know for a fact), there is no doubt such a measure will push the boundaries of the human mind beyond its natural capabilities.

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My philosophy and interests lie within the history of ideas, the reification of philosophy through art, metaphysics, ethics, phenomenology and the nature of consciousness, governance and the social contract, post-capitalist economics, utopia, Greek, Roman and medieval literature, theoretical physics, and human potential. I am primarily concerned with the nature of education as a path toward enlightenment, the philosophy of pedagogy and perennial erudition.

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