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Experimental Toyota Corolla with hydrogen internal combustion engine successfully completed Experimental Toyota Corolla with hydrogen internal combustion engine successfully completed

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Experimental Toyota Corolla with hydrogen internal combustion engine successfully completed 24-hour race

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Toyota has announced that its experimental Corolla hydrogen car has successfully completed the 24-hour Super Taikyu race.

In this case, it is the modernization of the machine that is of interest. The fact is that unlike the same Toyota Mirai or other serial (and not only) hydrogen cars, where hydrogen is used to generate electricity, and it is the electric motor that drives the car, a car with an internal combustion engine took part in the race, which was adapted for combustion hydrogen. Toyota’s goal was to demonstrate the viability and safety of this approach.

Experimental Toyota Corolla with hydrogen internal combustion engine successfully completed 24-hour race

The Corolla began to be built just three months before the start of the race, so Toyota made the most of the existing components. The 1.6-liter engine was taken from the GR Yaris, reworking the fuel supply, injection and ignition system. The fuel tank, delivery system and fuel management system were taken from the Toyota EV Mirai.

The main problem for the engineers was the very high combustion temperature of hydrogen. The team ended up converting the engine to direct injection using an injection system developed by Denso. As for the power, there were not so many losses compared to the gasoline engine, but the exact data was not named.

Experimental Toyota Corolla with hydrogen internal combustion engine successfully completed 24-hour race

As a result, the car successfully completed the race, although, for example, it required much longer stops to refuel. The process lasted six to seven minutes, and in total the car took 35 refueling to cover 358 laps or 1634 km.

It is also worth noting that the head of Toyota, Akio Toyoda, was personally driving the car.

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Components

Up to 8 XE cores and 6 GB of memory: the first information about the Intel Arc Pro A50/A40 graphics cards appeared

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Up to 8 XE cores and 6 GB of memory

The database of the SiSoftware Sandra test package has fresh data on the upcoming Arc A40 Pro and Arc A50 Pro graphics cards. These are graphics accelerators for workstations that are designed for engineering tasks.

Up to 8 XE cores and 6 GB of memory

The A50 Pro has a full ACM-G11 GPU with 8 Xe cores (128 execution units/1024 FP32 cores), while the A40 Pro is likely to get a stripped-down version of the chip. The clock frequency is 2.45 GHz.

Both cards have 6 GB GDDR6 memory, indicating a 96-bit memory bus. In this regard, both models are similar to the Arc A380 mobile card, which has almost the same configuration.

1656342768 632 Up to 8 XE cores and 6 GB of memory

Thus, the company continues to prepare its entry-level products. When high-performance gaming and professional solutions based on the ACM-G10 GPU will appear, it is not reported. It is also not yet clear whether the Arc A40 Pro and Arc A50 Pro cards will be available in retail or whether they will appear only as part of workstations.

Earlier, Intel introduced its first gaming graphics card for $150.

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Laptops

Apple’s mixed reality headset will be more powerful than many laptops. She will receive SoC Apple M2

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Apples mixed reality headset will be more powerful than many

Apple’s mixed reality headset should get the M2 single-chip system. Bloomberg journalist Mark Gurman thinks so.

Apple's mixed reality headset will be more powerful than many laptops.  She will receive SoC Apple M2

Earlier it was said that the headset will receive SoC M1, but apparently Apple has changed the configuration. It is also worth remembering that the current leaks speak of two platforms, and the second will be responsible for processing data from the device’s numerous sensors.

The headset will receive M2 with 16 GB of memory, that is, the performance of the device will be higher than that of many laptops on the market. At the same time, various rumors suggest that Apple has previously encountered the problem of overheating of the headset, so such a powerful platform, apparently, is also a minus.

At the moment, the headset is expected to be introduced in early 2023. It is also likely that for the first time Apple will show it at an event in the fall, but the device will enter the market next year.

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Impressive new photo from the Hubble Space Telescope: “Dive into the astronomical treasure trove”

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Impressive new photo from the Hubble Space Telescope Dive into

The Hubble Space Telescope website has published a new impressive photo. The photograph captures the brilliant globular cluster NGC 6569 in the constellation Sagittarius.

Impressive new photo from the Hubble Space Telescope:

As noted on the website under Image of the Week, the observatory explored the “heart” of the cluster with its Wide Field Camera 3 (WFC3) and Advanced Camera for Surveys, revealing “a brilliant array of stars in this astronomical treasure chest.” The authors of the note poetically invite everyone who wants to carry out “Immersion in the astronomical treasury”.

Globular clusters are stable, closely related clusters containing tens of thousands to millions of stars. The intense gravitational pull of these dense star clusters means that globular clusters are a regular spherical shape with a “populous center” – as seen in the center of this image.

Previously, researchers have avoided globular clusters close to the center of the Milky Way, as dust scattered throughout the center of our galaxy blocks light from these clusters and changes the colors of the stars within them. The latter factor is especially important for astronomers studying stellar evolution, since the colors of stars can give astronomers an idea of ​​their age, composition, and temperature.

Recall that the Hubble Space Telescope is a joint project of the US Aeronautics and Space Administration NASA and the European Space Agency (ESA)

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