🔄FROM THE ARCHIVE A cheap, portable quantum computer, aimed at schools and colleges was launched in 2021.
A Chinese start-up has unveiled plans to sell a desktop quantum computer costing less than $5,000. The new portable device is one of a range called SpinQ, aimed at schools and colleges. It is made by the Shenzhen SpinQ Technology, based in Shenzhen, China.
The price of the machine is in stark contrast to commercial quantum computers, which can cost in the region of $10 million and process more than 50 qubits. The compound at the heart of the SpinQ machine is dimethylphosphite, a tetrahedral molecule consisting of one phosphorous atom, one hydrogen atom, an oxygen and two CH3O groups. This takes the form of colorless liquid at room temperature.
The technique is well understood and has long been used to make medical images of the body. Indeed, the first quantum computers built in the 1990s used exactly the same approach.Back then, this approach was expensive because magnetic fields strong enough to do the job could only be created by powerful superconducting magnets. These must be cooled to the temperature of liquid helium, a difficult task requiring expensive, bulky equipment.
And that’s it. The machine just needs to be connected to an ordinary computer with a software package capable of controlling it. The SpinQ team say they have shipped their earlier design—called SpinQ Gemini -- to institutions in Canada, Taiwan and China. But at $50,000 a piece, these places need to be well resourced.
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