This Bracelet from Meta Translates Hand Movements into Computer Actions

Meta’s Neuromotor Interface – credit, Reality Labs, via Springer PressA very sci-fi invention has been introduced by engineers from Facebook’s parent company that translates hand gestures into computer actions.This includes fine motor movements like dotting a lowercase i, and translating handwriting into computer text is something the interface is particularly good at.Designed inside Meta’s Reality Labs, it’s one of the first major offerings from the in-house moonshot department since the collapse of the company’s “Metaverse” concept which was once expected to “define the future of social connection” according to CEO Mark Zuckerberg, who renamed his company in its honor.The Metaverse ended up being less of a future-defining technology and more like a damp squib, with the Reality Labs division of Meta losing $14 billion in 2022 and $15 billion in 2023.Reality Labs was on the chopping block during Meta’s Year of Efficiency, with perhaps as many as 10,000 layoffs taking place in advance of a direction shift to what almost anyone would admit is a more exciting and marketable business direction: stuff that looks like it’s from Star Trek.The device can translate the electrical signals generated by muscle movements at the wrist into computer commands without the need for personalized calibration or invasive procedures. The bracelet slips...
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Australian researchers use a quantum computer to simulate how real molecules behave

Ivan Kassal, University of Sydney and Tingrei Tan, University of SydneyWhen a molecule absorbs light, it undergoes a whirlwind of quantum-mechanical transformations. Electrons jump between energy levels, atoms vibrate, and chemical bonds shift — all within millionths of a billionth of a second. These processes underpin everything from photosynthesis in plants and DNA damage from sunlight, to the operation of solar cells and light-powered cancer therapies. Yet despite their importance, chemical processes driven by light are difficult to simulate accurately. Traditional computers struggle, because it takes vast computational power to simulate this quantum behaviour. Quantum computers, by contrast, are themselves quantum systems — so quantum behaviour comes naturally. This makes quantum computers natural candidates for simulating chemistry. Until now, quantum devices have only been able to calculate unchanging things, such as the energies of molecules. Our study, published this week in the Journal of the American Chemical Society, demonstrates we can also model how those molecules change over time. We experimentally simulated how specific real molecules behave after absorbing light. Simulating reality with a single ion We used what is called a trapped-ion quantum computer. This works by manipulating individual atoms in a vacuum...
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