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In a world that seems inexorably drawn towards an all-electric future, Toyota has consistently taken a different road. The Japanese automaker remains skeptical about an exclusive reliance on electric vehicles (EVs). While it’s true that Toyota has some exciting EVs in the pipeline for the upcoming year, they are also actively exploring alternative energy sources. However, a recent development could potentially turn the tables on the EV revolution — an ammonia-powered engine for passenger vehicles.

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At an MIT event in March, OpenAI cofounder and CEO Sam Altman said his team wasn’t yet training its next AI, GPT-5. “We are not and won’t for some time,” he told the audience.

This week, however, new details about GPT-5’s status emerged.

In an interview, Altman told the Financial Times the company is now working to develop GPT-5. Though the article did not specify whether the model is in training—it likely isn’t—Altman did say it would need more data. The data would come from public online sources—which is how such algorithms, called large language models, have previously been trained—and proprietary private datasets.

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Learn about quantum computing with Q-CTRL’s Black Opal!

Today, I’m diving into the interactive platform of Q-CTRL’s Black Opal to simplify quantum concepts and demonstrate quantum computing applications. This video is perfect for both beginners curious about quantum computing and seasoned professionals seeking looking for a broad overview of quantum computing applications.

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Scientists from the Planetary Science Institute have uncovered evidence of potential salt glaciers on Mercury, opening a new frontier in astrobiology by revealing a volatile environment that might echo habitability conditions found in Earth’s extreme locales.

“Our finding complements other recent research showing that Pluto has nitrogen glaciers, implying that the glaciation phenomenon extends from the hottest to the coldest confines within our solar system. These locations are of pivotal importance because they identify volatile-rich exposures throughout the vastness of multiple planetary landscapes,” said Alexis Rodriguez, lead author of the paper “Mercury’s Hidden Past: Revealing a Volatile-Dominated Layer through Glacier-like Features and Chaotic Terrains” that appears in the Planetary Science Journal.

PSI scientists Deborah Domingue, Bryan Travis, Jeffrey S. Kargel, Oleg Abramov, John Weirich, Nicholas Castle and Frank Chuang are co-authors of the paper.

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A new ingestible capsule can monitor vital signs from within the patient’s GI tract. The sensor could be used for less intrusive monitoring of sleep disorders such as sleep apnea, or for detecting opioid overdoses.

Diagnosing sleep disorders such as sleep apnea usually requires a patient to spend the night in a sleep lab, hooked up to a variety of sensors and monitors. Researchers from MIT, Celero Systems, and West Virginia University hope to make that process less intrusive, using an ingestible capsule they developed that can monitor vital signs from within the patient’s GI tract.

The capsule, which is about the size of a multivitamin, uses an accelerometer to measure the patient’s breathing rate and heart rate. In addition to diagnosing sleep apnea, the device could also be useful for detecting opioid overdoses in people at high risk, the researchers say.

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New research from North Carolina State University and Michigan State University opens a new avenue for modeling low-energy nuclear reactions, which are key to the formation of elements within stars. The research lays the groundwork for calculating how nucleons interact when the particles are electrically charged.

The work appears in Physical Review Letters.

Predicting the ways that —clusters of protons and neutrons, together referred to as nucleons—combine to form larger compound nuclei is an important step toward understanding how elements are formed within stars.

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The downturn in the technology sector — dragged by inflation, higher interest rates and geopolitical events — continues to persist, and one of the most acutely impacted areas has been VC funding for startups, particularly those outside the U.S. According to VC firm Atomico, companies in Europe are on track to raise just $42 billion this year — less than half the $85 billion that startups in the region raised in 2022.

The figures come from Atomico’s big report on the state of European tech, which it publishes annually.

It also found that startups in the region are raising less at each stage of funding from Seed through to Series C (and beyond), with later stage and larger companies feeling a particular pinch: just 7 “unicorns” (startups with a valuation of more than $1 billion) are set to emerge this year in Europe, compared to 48 in 2022 and 108 in 2021.

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It comes 3 years after Amazon debuted its ‘handy’ authentication service for consumers.

Amazon’s cloud computing subsidiary AWS (Amazon Web Services) has lifted the lid on a new palm-scanning identity service that allows companies to authenticate people when entering physical premises.

The announcement comes as part of AWS’s annual Re: Invent conference, which is running in Las Vegas for the duration of this week.

Amazon One Enterprise, as the new service is called, builds on the company’s existing Amazon One offering which it debuted back in 2020 to enable biometric payments in Amazon’s own surveillance-powered cashierless stores. Visitors to Amazon Go stores can associate their payment card with their palm-print, allowing them to enter the store and complete their transaction by hovering their hand over a scanner.

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