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Showing posts from October, 2022

How Do Satellites “TAKE PICTURES” of the Earth 🌍

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When it comes to taking pictures, we naturally think of cameras and shutters.It is common to think about pointing the camera at what needs to be captured, and as soon as the shutter is pressed, you can get an image. This image will contain data with the three primary colours on 2D pixels. However, the case is quite different when it comes to observation of the earth (surface / atmosphere).The specific imaging principle via satellites is slightly more complex. Satellite's can be divided into geostationary and polar-orbiting. This division is according to their orbits. We know that the angular velocity of the earth’s rotation is fixed. If a satellite is used to monitor the earth constantly, then the height of the satellite’s orbit is fixed. This is a fixed satellite. The height of the fixed satellite is 36,000 km, and the radius of the earth is about 6,371km. It is conceivable that the angle of view of the earth from the satellite is only 18°. How can the effect of direct imaging be

Copy a complete hard disk with operating system and software and move it to another computer

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DiskCopy A free and portable program that does not require installation that enables you to clone entire volumes or even specific disks from one hard drive to another,even if the hard drive includes the operating system, programs and files, as it will save an exact copy for emergencies. This tool will come in handy when upgrading your device's storage from HDD to SSD. - Download the program from the link here «« then simply run it and you will see its simple graphical interface where the volumes connected to the device are displayed. Click on the hard drive you want to make a copy of under Select the source disk and it will display all the available disks on the right, all of which are selected by default. You can remove the check mark next to the partition that you do not want to include in the backup or during a clone. Then select the hard drive where the backup will be saved from the bottom half. Finally, click on the "Start disk copy" button to start the backup The p

Create 1000 folders with the click of a button with this tool

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Create any number of folders with the click of a button using this Folder Creator tool, if your work on the computer requires creating many sequential folders with consecutive numbers of the same name, this tool will benefit you greatly. Folder Creator is a portable tool that does not require installation and can easily create a number of organized folders with a specific name and sequential numbering. - Download the tool from the link here »And you will find the program interface is very simple, specify the place where the new folders are kept, then set the general name that will apply to all folders and then choose the number of folders and numbers so that the folders are easy to distinguish,then press the “Create” button and the specified number of folders will be created in The site you initially chose. This tool will especially help photographers to categorize multiple items such as wedding photos,or developers when they are creating multiple versions of the same application, am

Alternative stores to the Apple Store to download applications on iPhone and iPad

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Do you have an iPhone .. Here are these alternative stores to the Apple Store to download applications iPhoneCake Store The best free app store for iPhone and iOS has a convenient interface and acts as a great jailbreak for difficult software created by Apple. It is not only a jailbreaking application, but a free iPhone store where you can install IPA files and thus you can install free and paid programs Panda Helper Store It is an alternative store to the Apple Store to download and install official and unofficial apps and it contains a variety of apps that can be downloaded easily.It is one of the most popular apps in the jailbreak community because it offers a variety of features that are not available in the official app store. CokernutX Store To install apps and games without jailbreaking your device, it comes with a very simple and easy to use interface and you can download any app, mod or any other content from this app without having to log in or even create an account. BuildS

5 Reasons to activate the guest network on your Wi-Fi router

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Guest Networks are a very useful feature of a router that not many people take advantage of, and here's why a guest network should work today. What is a guest network? While the name might lead to a bit of effort as to the exact guest network it never hurts to be clear - what a "guest network" entails can vary greatly from router to router,and at its simplest a guest network is a separate method The basic SSID for guests in your home to connect to your network, some routers simply do not support guest mode because they do not have hardware or firmware support for it, but most routers these days even cheap models have some kind of guest mode, how this guest mode works ranges from The basic option where guests get a different SSID name and address to the more advanced where you get that but you can also apply parental controls, scheduling, and other network configuration options. Here's Why You Should Enable Your Router's Guest Network There are a variety of reaso

What is a passkey and how can it replace traditional passwords?

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Recently, Google made this important feature available to its Android and Chrome systems that will allow users to use their own devices to log into different websites, services and applications without any password, and with the launch of iOS 16, Apple launched one of the major security features that will be available For users it is a Passkey feature. What is a passkey? Passkey is a standard designed to remove traditional passwords for online authentication and identity verification. Earlier this year, Apple, Google, and Microsoft teamed up with the FIDO Alliance and the World Wide Web Consortium to work on removing passwords to confirm users' identities across platforms. Apple announced its own version of this standard called Passkey at the Worldwide Developers Conference (WWDC) in June, and said it will be available on macOS Ventura, iOS 16 and iPadOS 16. Passkeys can reduce the risk of account hacking because they remove passwords, which can be leaked or exposed. In additio

Make WiFi turn off automatically when the screen is off the phone

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Most of us have a Wi-Fi connection at home and are connected to it most of the time, whether while using the phone or after leaving it, which drains the battery greatly and drains the Internet package as well, because of the many applications that run in the background and that may update a lot of data and applications without knowing so it is preferable to disconnect Connect to WiFi after you finish using it - but it's hard to remember it every time. In this post, we will learn about a small application that does this task for you. Save battery and package and make wifi turn off automatically when screen is off Wifi Screen Off is free and its size is very small about 26 KB.  It does only one function, which is to turn off the Wi-Fi when the screen is closed and then re-activate it when the phone is reused automatically without your intervention, install the application from the link over here 📥 Note:  The application is a widget only on the phone screen and does not have a graph

How to lock Chrome or Edge browser with a password to protect your privacy?

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The method of locking the Google Chrome browser with a password is one of the advanced privacy options that many users are not aware of despite its importance. Lock your browser with a password that prevents hackers from accessing your accounts or tampering with your data on various websites on the Internet. To enhance your security and protect your browser with a password, you do not have to do a lot of things, just download a tiny extension that is freely available on Google Chrome, Microsoft Edge and Opera and easily set it up to secure and enhance the security of your browsing history on the Internet. 1- Lock the browser using the Set password for your browser extension The password set tool is one of the Google Chrome extensions that is very good at adding an icon to close the browser. The tool is also available in the Opera browser. - Download add on  Set password for your browser - You will be directed to the extension page on the store, click add to chrome and then click add

Download a complete playlist from YouTube, Tik Tok, Facebook and social networking sites to your computer

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How to Download a Complete YouTube Playlist YouTube allows its Premium users to download the videos on its platform to watch them offline.  There are also third-party tools that allow you to download these contents without having to pay a subscription.  This can be useful when your internet connection is limited. .  If you are a YouTube Premium subscriber, you have the option to download videos by clicking the Download button below the video. Once downloaded, you find this content directly in your YouTube space and you can watch it later offline. However, you will need to be online at least once every 30 days to keep accessing the downloaded videos. If you are not a Premium user or if you want to get these videos directly on your computer, smartphone or tablet, you can use a tool to get these videos. Note: This practice is not illegal but it is still important to note that these downloads do not respect the platform's terms of use. With these programs, you can download a specific

Neeva search - A Google employee launches a new search engine that does not spy on you and does not contain ads

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In the world of searches, Google is omnipresent and unbeatable. Even a giant the size of Microsoft could not challenge Google's almighty supremacy in the search engine market. However, two ex-Google executives decided to battle it out by launching a new search engine called Neeva, which completely ignores advertising and tracking. Neeva, who grew up in 2019 and is based in California, just arrived in other regions on Thursday. The private search engine prides itself on searching for information not only on the web but also in personal files such as emails and other types of documents.  The main strength of Neeva is that it does not display ads in search results and does not collect personal data from users. Leading is Neeva Sridhar Ramaswamy, Head of Billion Dollar Advertising at Google until 2017, and Vivek Raghunathan, former Vice President of YouTube Monetization. Neeva also has a premium method that allows the internet user for just $5 per month extra services like a passwor

Use Audacity online to edit and modify sounds and songs

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Audacity is one of the best free audio editing software that anyone can work with, from beginners to experts. It's simple and professional at the same time, as it includes multi-track recording and editing features for most major systems, so in this post we will learn an online tool derived from Audacity. Wavacity is a website for editing songs and sounds Wavacity is a free, open source audio editor for the web that is derived from the popular software Audacity and has been modified by the developers to run online. Wavacity has a neatly designed interface similar to Audacity from the menu bar at the top to the audio track and track control panel below the toolbars. The time toolbar, status bar, etc. are also shown at the bottom of the interface. It allows you to import/export audio files in most formats like WAV, AIFF, AU, Ogg Vorbis and many more - Can record live sound through a microphone or a mixer -You can add important sound effects and remove background noise including st

Create a Beautiful Profile Picture with the Profile Me tool

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Your photo is one of the first things people look at when they visit your profile on social networks like Facebook,Twitter,Instagram,TikTok or LinkedIn.So it is important to make a good impression ,To create a great profile picture, today we present to you Profile Me. To learn more about this tool and how it works, we invite you to continue reading this article.,Profile Me is an online tool that allows you to create beautiful profile pictures with just a few clicks. The tool is easy to use and does not require any registration. Whether you're looking for a simple, elegant design or something more fun and creative, Profile Me is the perfect solution for you. All you have to do is upload your photo.The tool will then crop your photo and will offer you different templates for profile pictures.For example, you can choose a profile picture with sunset background, beach, montage, desktop, and much more. To create a profile picture using Profile Me, follow these steps: 1. Go to the Prof

Screen capture and annotations EaseUS ScreenShot

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Do you want to take a picture of your computer screen and point at it during your study, explanation, or other things? Are you looking for a free computer screen capture software? In this article, we introduce you to EaseUS ScreenShot, a tool that allows you to take a screenshot of a specific area or the entire screen. You can also annotate your screenshots with text, arrows, or shapes. To learn more about this tool and how it works, we invite you to continue reading this article. EaseUS ScreenShot is an excellent screenshot and annotation tool that makes it easy to take screenshots, annotate and share them with others. It is easy to use and has many features that make it very useful. Moreover, it is very light and consumes very few resources. The first thing you'll notice about EaseUS ScreenShot is how easy it is to use. The interface is very easy to use. With this tool, you can take screenshots of your entire screen or just a part of it. EaseUS ScreenShot also contains a n

Colorize black and white pictures or old pictures online

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You have an old image or a non-colored image posted on social networking sites and you want to return the colors to it, you can do this through various methods, including what Palette offers, which we explain here in this article. With Palette, a free site that colorizes your old photos in seconds, it's a free site that you can access from your computer, mobile phone or tablet. In our case, we tested it from an Android smartphone and from a PC, and the performance was good. Basically, it is a tool that uses artificial intelligence to colorize black and white photos. Enter Palette's website from here   palette.fm/ - Click "Clip or drop an image". -Select the image you want to color from device gallery. -Wait a few seconds for Palette to color the image. Once you get to the natural color base that Palette has provided for your photo, you can choose from more filters to change the gradients. There are dozens of possibilities to choose from, just tap on the name of the f