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What is the difference? .. the best iPhone you can buy



What is the difference?  .. the best iPhone you can buy

If you have a satisfying iPhone, you should not upgrade because Apple has released new phones, but if your current phone is too slow or damaged, or you want to upgrade and get a new phone now, nytimes’ report b recommends IPhone 13.

According to the report, this is a relatively small upgrade over the 2020 iPhone 12, but the upgraded cameras and better battery life are already built into better design and faster processing, only to weigh a few grams more. If you want a smaller screen, the iPhone 13 Mini is also a great choice because it offers the same features for $ 100 in an easy-to-carry package.

Apple’s iPhone 13 is just as fast as the more expensive Pro models in almost any task, and should be very fast for everyday use for at least the next four years. Despite its large 6.1-inch screen, its battery can save almost anyone a day. Without the need for recharging.

The iPhone 13’s rear cameras – one with fixed angle and one with ultra – wide angle – are better, and offer better low light performance than previous iPhone cameras. Water resistant, MagSafe charging system and accessories.

While the iPhone 13 is no better than the iPhone 12 and your current phone is a year or two old, there is no significant upgrade in most respects, it only requires a $ 50 premium compared to models with the same storage, and we think it is worth the investment.

The iPhone 13 is similar to the iPhone 13 in mini-cameras and for the most part, but it is about 20% smaller and lighter in weight, resulting in its body being smaller than the 2020 iPhone SE, however, the new phone has a 5.4-inch larger screen size from edge to edge.

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In one of the tests the battery lasted all day but users had to discharge it all day. If you like all the modern iPhone features and want a smaller device, the 13 Mini offers almost the perfect compromise.

While the iPhone 13 screen is large enough for most people, the iPhone 13 Pro Max offers a large 6.7-inch screen, so it’s a good choice for those who use their phones to work more, play games or watch videos. For those who need a visual that will benefit more real estate on your screen.

But the large screen and size make it difficult to type with one hand, the phone does not fit into tight pockets, and everything weighs more than half a pound straight.

At the same time, its large chassis allows for a larger battery, which we found to last about 22% longer than the iPhone 13 phones.

The iPhone 13 Pro Max has advanced cameras compared to the iPhone 13 and 13 mini with a 3x telephoto lens and the ability to shoot macro shots. On a daily basis, we hope the differences will be small if any.

The screen has a variable refresh rate, which allows for smoother scrolling and some battery upgrades, but most people have no reason to pay more for the Pro Max. If you are buying this phone for its professional capabilities and not for its professional capabilities, select 256GB (or more) of storage.

IPhone SE (2nd generation) is the best choice if you prefer a small phone, prefer a fingerprint reader over Face ID or you do not want to pay for a good smartphone.

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The iPhone SE is much cheaper than the iPhone 13 but in many cases it feels faster. This makes it difficult to take good photos in dark environments as the iPhone 13 lacks a second ultra-white lens and night mode camera. If you call your phone via LTE for more hungry activities like gaming, video, audio or fasttime, the small battery will not last. Throughout the day.

However, when cheap Android phones stop getting software updates as soon as you buy them, even low-cost iPhones like SE will get iOS support for many years.

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Simple Ways to Fix Camera Not Working Problem on Mac



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.

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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:

  1. Click the Apple menu and select System Settings.
  2. Choose (Privacy and Security) from the sidebar and click (Camera).
  3. 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.
  4. 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.

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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:

  1. Go to (System Settings), then (General).
  2. Click About, then System Report.
  3. Select Camera from the Hardware section in the sidebar on the left side.
  4. 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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Lenovo introduces its ThinkCentre M90a Pro business computer



Lenovo introduces its ThinkCentre M90a Pro business computer

revealed Lenovo announced the ThinkCentre M90a Pro Gen 4, which sets a new standard for business desktop computers. The company has designed this Windows 11 operating system to meet the needs of modern workplaces and content creators. Equipped with QHD resolution and smart features that enhance connectivity and privacy and are easy to use.

The ThinkCentre M90a Pro Gen 4 device delivers performance when needed, as the company provided advanced components including Intel vPro Enterprise with 13th generation Intel Core i9 processors, NVIDIA GeForce RTX 4050 graphics processing unit and 64 GB DDR5 random access memory.

The device has two M.2 slots for an SSD drive and an optional 2.5-inch hard drive, and is equipped with a Power Optimizer that uses machine learning to categorize tasks and maximize performance.

The ThinkCentre M90a Pro Gen 4 enables lightning-fast file sharing with Thunderbolt 4, which can reach speeds of up to 40Gbps and is capable of transferring videos and large files.

The system supports an additional 8K screen or two 4K screens, and can be equipped with external graphics processing units and storage drives, and it can also act as a screen when connected to other devices. The ThinkCentre M90a Pro Gen 4 has a 27-inch screen with QHD resolution and a brightness rate of 350 nits.

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The business desktop comes with TÜV Rheinland-certified Eyesafe 2.0 and Flicker Free features, and natural low blue light technology is built-in to reduce eye strain and fatigue.

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Lenovo also provided the ThinkCentre M90a Pro Gen 4 with a Thunderbolt 4 port, a USB Type-C port, five USB Type-A ports, a DisplayPort port, an HDMI port, an RJ45 Ethernet port, and an optional Thunderbolt 3 port that lets users. Share the screen as Thunderbolt display when connected via USB-C cable.

With this feature, users can share a second M.2 SSD drive with their laptop or PC at high speed data transfer rates.

The new system gains security and privacy using artificial intelligence and next-generation human presence detection with a radar sensor and RGB-IR camera. The all-in-one device allows for touchless entry and exit, which automatically dims the screen. A person behind the user.

The ThinkCentre M90a Pro Gen 4 includes a unique TPM 2.0 security chip for secure encryption, comes with ThinkShield to protect data and assets, and can block USB storage devices with Smart USB Protection.

Users get a set of 5-watt stereo speakers, a 5-megapixel webcam, and optional support for Windows Hello and human presence detection.

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Airless tires… developed in collaboration with NASA



Airless tires… developed in collaboration with NASA

Bicycle tires may have seen little technological development over the past decades, especially in terms of design, but a recent innovation could change this trajectory and confirm the adage of “reinventing the wheel.”

American company Smart Tire, in collaboration with NASA, announced a new model of airless tires that innovatively uses the ability to remember their original shape when exposed to pressure!

The new frame consists of a wire made of nitinol, a combination of nickel and titanium (a metal).

What’s new?

Unlike many traditional runflat tires, which often come for rider comfort and are criticized for their stiffness, rolling resistance and high effort required when pedaling, inside the new tire is a coiled cord called a “medl”. In rubber tire design..

This wire is NiTinol, a combination of nickel and titanium, which is unique in its combination of strength (due to the nickel) and rubber-like elasticity.

The tire’s exposure to pressure causes deformation of its shape, but it returns to its original state due to the materials it is made of. This feature allows Metl tires to provide the same compression and rebound dynamics as conventional pneumatic tires.

Combining titanium with the flexibility of rubber provides shock absorption and durability thanks to NASA’s Nitinol (MET) technology.

Other benefits

Coating the Nitinol spring with a polyrubber material creates transparent sidewalls and makes the tire tread (the rubber on the tire in contact with the road) flexible.

It is also worth noting that a metal tire requires half the amount of rubber as a regular tire. Although its tread needs to be replaced after 8,000 to 12,000 km, the basic tire is designed to last the life of the bike.

The pressure causes the nitinol to initially deform, but it eventually returns to its original form (the metal).

Technology inspired by NASA

This innovative approach is called “SMART” (Shape Memory Alloy Radial Technology) and aims not only to redefine the quality of bicycles, but also to extend it to a wide range of off-road vehicles.

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Although this technology was originally designed by NASA to address the challenges faced by extraterrestrial exploration, particularly missions to Mars, it has found a transformative application on Earth.

Running Tires (Metallic)

Experts say these futuristic designs could offer flexibility in tightness by allowing controlled air inflation, making them act like compressed air.

Such advances in tire technology, eliminating flat tires, regular monitoring of air pressure and reduced maintenance requirements, represent a major advance in the world of cycling.

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