Tech
Earth’s twin planet suitable for one species’ life – UAE Top News
A new study focusing on the nature of the planet Venus, which astronomers call the “evil twin of the Earth”, has found that the sun’s rays on this planet may support the existence of a species of life. Gave it its wonderful title beyond all expectations, due to its terrible nature. The evil twin of the earth gathers with the life of a creature. University researchers …
A new study focusing on the nature of the planet Venus, which astronomers call the “evil twin of the Earth”, has found that the sun’s rays on this planet may support the existence of a species of life. Due to its horrible nature, it surpasses all expectations given its wonderful nickname.
Researchers at the California State Polytechnic University in Pomona have cited evidence of photosynthesis on Venus, which prompted NASA to send a pre-planet mission.
In their study published in the scientific journal “Polycentric”, the researchers pointed out that the photosynthetic process on Venus may support the existence of life, as the layers of the planet’s atmosphere may contain different organisms due to this process.
Although the researchers did not support the surface life of Venus, the researchers explained that the evidence for photosynthesis could support life in the atmosphere, i.e. the process of photosynthesis of sunlight leaking through the dense clouds of Venus. The presence of “microorganisms”.
The study, published in the British newspaper “Daily Mail”, found that this process can occur even at night on the planet, and that light energy is available under and above the clouds, giving the microbes the ability to live in different cloud layers.
Although the current study comes just months after another research team insisted that “the planet’s clouds are too dry and cannot contain enough water to support the existence of life,” scientists in a new study led by the study’s lead author Rakesh Mogul have found that “Venus clouds contain somewhat similar forms of sulfuric acid, such as ammonium bisulfate”. , Which supports the presence of water levels in the planet’s atmosphere, which supports the life of minute creatures.
“Our study confirms the possibility of phototropic or chemical feeding by microorganisms in the Venus clouds,” Mogul said in a statement.
One of the co-authors of the study, published in the scientific journal Astrobiology, states that “Venus receives 80 to 90 percent less UV radiation compared to the Earth’s surface.”
To date, scientists have not been able to explain why Venus emits much less UV radiation than Earth, but a study published last July found that night wind intensity on Venus decreases.

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Tech
After professional testing, the iPhone 15 Pro Max is not the best phone for photography

Apple’s new phone, the iPhone 15 Pro Max, has undergone extensive tests for the rear camera to record photos and video clips at the popular DxOMark digital camera testing site.
DxOMark is the leading platform and most important rating site among professional camera testing sites for smartphones and other digital cameras. This site features photography experts and reviews cameras for detailed testing of photography or recording in various modes. Film.
Recently, Apple’s latest iPhone 15 Pro Max underwent extensive camera tests from DxOMark for a real assessment apart from the specification numbers, and the phone has already scored a real hit.
pointed out Final report For the test, Apple’s most expensive phone won the tests, reaching 8 levels of improvement compared to the previous generation iPhone 14 Pro Max, and it took the second place among the best smartphones for photography with the rear camera.
The Huawei P60 Pro is the only device that has given better results than the Apple device and received a higher rating.
During the evaluation, DxOMark testers were impressed by the brightness and contrast of the iPhone 15 Pro Max’s images, even in low-light (night) scenes, with excellent skin color processing.
The report said that the phone was rated as the best in terms of image brightness, color contrast, shadow rendering, and background isolation mode. According to DxO ratings, it was also said to be the best phone for video shooting.
The report also highlighted that the flaws that didn’t make the iPhone 15 Pro Max the best among all the competition appeared in the tests, where colors differed in low light and the photos taken at night were noisier than some competitors. with dynamic range. A little less in hard outdoor scenes.
The most important thing that can be distinguished about the phone after the test is that the new telephoto lens, telephoto and 5X zoom on the iPhone 15 Pro Max, which is one of the most important revolutionary changes this year, is not really there. Do what the company says.
Apple confirmed at the phone announcement event that the new zoom lens will work with focal lengths up to 120mm with standard options for 28mm and 35mm, similar to what professional DSLR cameras offer with advanced lenses.
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In practice, the camera results are actually a crop of said image dimensions and not the default focal lengths mentioned earlier, because images are taken through lenses and then cropped to match professional dimensions.
The report confirmed that the new lens provides very impressive results, especially when there is enough light, and it can distinguish backgrounds and isolate targets professionally.

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Tech
Scientists have found the best place to build a lunar base

Published: 09/28/2023 (Last Updated: 09/28/2023 at: 08:09)
Bethlehem – together – scientists found the best place to build a lunar base, they explored it and took into account the surrounding conditions.
At the south pole of the Moon, between two craters there is an area with a large body of water and permanent sunlight, providing a good environment for human habitation.
Antarctica has long been considered a good place for colonization because many of its craters are exposed to constant sunlight and shade so that electricity can be generated using solar panels, while there is ice to extract water.
Areas around some of these craters have been explored by lunar rovers, such as India’s recent Chandrayaan-3 mission, but their goal is to collect scientific data rather than search for the primary location.
Five holes are being considered because of their constant sunlight, but the amount of water and other resources must be considered before deciding on a location.
According to New Scientist, scientists from the University of Atacama in Chile analyzed data from five potential craters.
Five craters are called De Gerlach, Henson, Sverdrup and Shackleton, one of which is an unnamed crater.
The scientists took into account the density of carbon dioxide in the frozen water, other energy sources, ease of access and interactions with the Earth, as well as the distribution of water ice, slope angles and the amount of sunlight available to each hole. .
Where is the place located?
Team leader Giovanni Leone told New Scientist that an area of about 5 square kilometers with two craters known as the Sverdrup-Hensen is the best place to install the first platform.
The area has a relatively flat surface, which makes construction and transportation easier, as well as more ice and minerals in nearby shadowy areas. There are areas exposed to permanent sunlight, for power generation and contact with the ground.

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Tech
Simple Ways to Fix Camera Not Working Problem on Mac

Apple Mac computers have a built-in webcam, which you can use to make video calls with friends and family through the FaceTime application, or participate in online meetings with various applications such as Zoom, Microsoft Teams, Google Meet, and other video conferencing applications. On a MacBook computer.
But sometimes, when using a particular application, the Mac computer camera may suddenly stop working and a message will appear saying that the camera is not connected. In this case, you can easily fix the problem by following the methods we describe below:
1- Close and restart the app:
First, you can close the application you are working on and try launching it again. This will help you fix any problems or errors that prevent the MacBook computer camera from working properly.
Using more than one Mac camera app at the same time can also cause this problem. This can be easily fixed by using the Force Quit option to close apps. To access this option, you can click the Apple menu, choose Force Quit from the bottom to display a list of active apps, and close them.
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2- Update the application and operating system:
Another simple solution to this problem is to update the apps and operating system on your MacBook to the latest version. Sometimes, the problem may be with the app and not with the MacBook camera. So check if the app is updated and if it is up to date then try uninstalling and reinstalling the app.
On the other hand, make sure that the macOS operating system on your Mac computer is updated to the latest version. The importance of this is that Apple releases software updates to fix bugs and vulnerabilities that can prevent applications on Mac computers from working properly.
Additionally, you can try launching another app that uses your MacBook camera to make sure the camera is working. If it works, the problem is with the app, not the computer’s camera.
3- Grant the app access to the camera:
You may not grant access to the app you want to use the camera. So, to allow this app to access your MacBook camera, follow these steps:
- Click the Apple menu and select System Settings.
- Choose (Privacy and Security) from the sidebar and click (Camera).
- A list will appear with all the applications installed on your MacBook that require access to the camera. From there, turn on the toggle next to the app you want to use the camera for.
- After granting the application access to the camera, it must be closed and restarted for it to work properly.
4- Restart your Mac computer:
Restarting your Mac computer is one of the easiest ways to fix many of the most common problems you may encounter while using the computer, and it can also help fix a problem where the camera stops working.
To restart your Mac, click the Apple menu and select Restart from the bottom. After restarting the computer, launch the app you want to use the camera and make sure it works.
5- Check if the camera light appears:
To check that your camera is working properly, launch any app that uses your MacBook’s camera: FaceTimeThen make sure the camera light is on.
Otherwise, you can check whether your Mac computer detects the camera or not by following these steps:
- Go to (System Settings), then (General).
- Click About, then System Report.
- Select Camera from the Hardware section in the sidebar on the left side.
- If you can see information about the camera model: Model ID and Unique ID on the right, it means that your Mac computer can detect the camera. If you don’t see these details, it means your computer is not detecting the camera.

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