The idea of seeing something without actually looking at it might sound crazy. After all, how do you see something if you aren’t actually looking at it? Well, the basic idea behind this has been explored quite a bit using light waves. However, new research shows that scientists can actually perform interaction-free measurements with microwaves, too.
Of course, we aren’t necessarily talking about your everyday break room microwave. Instead, we’re talking about microwaves created by a powerful device the researchers call a transmon device. The idea behind this device is to “see” a microwave pulse without the absorption and re-emission of any light waves. It's a far cry from reversing time, but it is still amazing.
It’s an intriguing experiment and one that could open the door for more profound research into interaction-free measurements. The team backed the experiments using theoretical models, all of which confirm the results. It is also yet another example of how quantum devices can operate beyond the realm of possibility in classical devices, too.
Physicists commonly refer to this as the quantum advantage. But what exactly does all of this mean? Well, for starters, it’s all very much based in the realm of quantum physics, which means we’re not really going to see much practical use out of these interaction-free measurements anytime soon as far as physical, real-world devices go.
But, like any scientific researcher, it could very easily transform into something bigger months or years down the line. For instance, this form of interaction-free measurement could one day make it much faster and easier to extract information from quantum processors without actually disturbing the ongoing functions of the processor.
A breakthrough like this could make quantum devices far more effective, especially in quantum physics, where even a gentle interaction can break things. The researchers published their paper on the new method used to achieve interaction-free measurement in Nature Communications.
The post Researchers used microwaves to ‘see’ objects without actually looking at them appeared first on BGR.
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Researchers used microwaves to ‘see’ objects without actually looking at them originally appeared on BGR.com on Tue, 3 Jan 2023 at 13:48:27 EDT. Please see our terms for use of feeds.