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A tiny cooling device can automatically reset malfunctioning components of a quantum computer. Its performance suggests that manipulating heat could also enable other autonomous quantum devices.

Quantum computers aren’t yet fully practical because they make too many errors. In fact, if qubits – key components of this type of computer – accidentally heat up and become too energetic, they can end up in an erroneous state before the calculation even begins. One way to “reset” the qubits to their correct states is to cool them down.

Image: chalmers university of technology, lovisa håkansson.

A tiny quantum “refrigerator” can ensure that a quantum computer’s calculations start off error-free – without requiring oversight or even new hardware.

Continue reading “Quantum computers get automatic error correction for the first time” | >

Brain scans show fasting literally rewires your brain:

Brain scans of participants in a recent study showed changes in brain areas that regulate appetite and addiction, including the inferior frontal orbital gyrus. At the same time, tests of stool samples and blood showed changes in the gut bacteria, especially with types called Coprococcus comes and Eubacterium hallii.

The research was published in Frontiers in Cellular and Infection Microbiology.

The team emphasizes that, not only did the participants lose weight, averaging 7.6 kilograms (16.8 pounds), but there were also noticeable changes in the composition of their gut bacteria, and additional changes in brain regions.

These changes were linked to less activity in a part of the brain called the left inferior frontal orbital gyrus, which helps control food intake. During intermittent fasting, certain beneficial gut bacteria may become more prevalent, producing compounds that influence brain activity related to food intake and impulse control.

Continue reading “Slimming significantly alters your microbiome and brain activity” | >

Japan-based Kirin Holdings has showcased its new electric spoon at this year’s Consumer Electronics Show (CES 2025) in Las Vegas.

What makes it different from any other ordinary spoon in the market is that it can make the food seem saltier, and by that, it also means tastier.

As per Kirin, the device uses electricity to raise the saltiness and umami in low-sodium foods.

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Diamond, often celebrated for its unmatched hardness and transparency, has emerged as an exceptional material for high-power electronics and next-generation quantum optics. Diamond can be engineered to be as electrically conductive as a metal, by introducing impurities such as the element boron.

Researchers from Case Western Reserve University and the University of Illinois Urbana-Champaign have now discovered another interesting property in diamonds with added , known as boron-doped diamonds.

Their findings could pave the way for new types of biomedical and quantum optical devices—faster, more efficient, and capable of processing information in ways that classical technologies cannot. Their results are published in Nature Communications.

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