Technology

Imagine all the parts that make your computer or smartphone work. Usually, these are scattered on a big board inside your device. In an SoC, all these essential parts are squeezed onto a single, tiny chip! This makes everything smaller, faster, and more energy-efficient. SoCs are like mini-cities with everything you need for the device to work—CPU, memory, and even the graphics stuff—all in one place.

They’re the secret sauce in making gadgets like smartphones, smartwatches, and even some TVs super slim and powerful. It’s amazing how much tech can fit on one small chip! You can get a crystal clear idea on SoCs here at https://www.geniatech.com/product/db3588/

Brief History

Back in the day, computers were huge, filling entire rooms! Then, in the ’80s and ’90s, we started to get better at shrinking tech. But things really took off in the 2000s with the rise of SoC, or “System on a Chip.” Before, a computer needed separate pieces for the brain (CPU), memory, and more.

Each piece had its own space. But SoC crammed all those into one chip, like putting a whole band into a single musical instrument! Now, we’ve got super small and powerful smartphones, smartwatches, and even smart fridges. SoC technology made our favorite gadgets way cooler and way smaller!

The Technical Magic Behind SoCs

Imagine you’ve got a bunch of musicians—drummers, guitarists, and singers—all doing their own thing. To make real music, they’ve got to come together. That’s what SoCs, or “Systems on a Chip,” are like. They take the key players in a computer—like the brain (CPU), memory (RAM), and the artist (graphics)—and put them all on one chip, a tiny piece of silicon no bigger than a coin.

The magic happens when all these pieces work super close together. They can pass the ‘musical notes’ (or data) to each other super-fast, like instant messaging for computers. Plus, being on one chip means less energy is wasted, so your phone battery lasts longer.

SoCs are like a mini tech party, where everyone’s invited and works well together. They’re the reason your phone fits in your pocket but still plays amazing games, takes great photos, and basically acts like a mini-computer!

Key Advantages of SoC Technology

1. Tiny Size: Imagine you could take a whole orchestra and fit it into a jukebox. That’s what SoC does for tech. All the parts that usually sprawl across a computer board are packed onto one small chip. This helps make our devices super slim and pocket-friendly.
2. Speedy Gonzales: Because all the bits are so close together on the same chip, they can chat really fast. It’s like having all your best friends in one room; you don’t have to shout across the street to talk!
3. Battery Saver: SoC is the hero your phone battery didn’t know it needed. With fewer parts and shorter distances for data to travel, SoCs are like a Prius for your electronics—super energy-efficient!
4. Cheaper to Make: When everything you need is on one chip, you cut down on materials and complicated manufacturing steps. This makes SoCs cheaper to produce, and sometimes those savings get passed on to us, the customers.
5. Easy to Upgrade: Need a faster phone or a better smartwatch? With SoCs, making improvements is like giving your car a tune-up rather than building a new one from scratch. This means quicker, better gadgets for all of us.

Conclusion

In summary, SoC technology has revolutionized how we interact with devices. It brings efficiency, affordability, and speed to both the end-users and manufacturers. With SoC’s pivotal role in IoT, its potential seems limitless. The future of technology is indeed smaller, faster, and more efficient, thanks to System on Chip.

In an era where environmental consciousness is on the rise and sustainable living is a priority, harnessing the power of the sun has become more than just a trend—it’s a practical solution. Portable solar panels have emerged as a game-changer, allowing individuals to enjoy the benefits of renewable energy while leading an off-grid lifestyle.

One notable player in this field is POWEREPUBLIC, a company dedicated to providing cutting-edge portable solar panels. You can learn more about this high-quality and significantly more prominent company. So that you can get high-quality portable solar panels. So let’s get started.

Understanding Portable Solar Panels

A portable solar panel is a compact, lightweight device designed to capture sunlight and convert it into usable electricity. It consists of photovoltaic cells that absorb solar energy and transform it into electrical power. This is the most convenient way of producing electricity.

Unlike traditional solar installations that are fixed in place, portable solar panels offer a flexible solution that can be easily transported. They are a perfect fit for activities like camping, hiking, RV adventures, and any scenario where access to conventional power sources might be limited or nonexistent.

Key Features of Portable Solar Panels

POWEREPUBLIC has emerged as a leader in the field of portable solar panels, and for good reason. Efficiency is at the forefront of their design philosophy. Let’s dive into the distinct elements that set POWEREPUBLIC’s offerings apart from the rest

Great Angle Setup

At the core of POWEREPUBLIC’s design philosophy is simplicity that doesn’t compromise on effectiveness. Their instant-setup solar energy system allows you to have your solar panel operational within a mere 30 seconds. The ingeniously adjustable kickstands play a pivotal role in optimizing sunlight absorption.

It ensures that every ray is harnessed to its fullest potential. Whether you’re trekking through the wilderness, setting up camp by the lake, or embarking on a thrilling outdoor adventure, this design ensures that your solar panel becomes an ideal companion that keeps your devices powered up.

Foldable & Portable

The foldable design of POWEREPUBLIC’s solar panels is a game-changer for those who are constantly on the move. This engineering marvel enables you to effortlessly transport your solar panel wherever you go. Also, have the ability to fold and unfold within seconds.

This compact and lightweight solution grants you immediate access to solar power whenever and wherever you need it. Whether you’re scaling mountain peaks, traversing through forests, or simply enjoying a relaxing weekend getaway, this portability ensures that sustainable energy is never out of reach.

Multiple Power Options

Gone are the days when solar panels were a one-trick pony. POWEREPUBLIC’s panels offer a versatile charging experience with multiple output ports. This adaptability means that whether you’re charging your smartphones, powering up laptops, or energizing your camping gear.

Not only this it can also supply larger power stations, these panels have you covered. The wide array of compatibility ensures that no matter the device or power requirement, these panels serve as a reliable energy hub that caters to all your needs. Its multiple power options make it a better choice.

Meticulously Designed

POWEREPUBLIC’s commitment to detail shines through in every facet of its portable solar panels. The amalgamation of adjustable stands, pre-cut eyelets, flexible ports, a junction box, a protective bag, a magnetic handle, a foldable design, and an IP54 rating creates an ecosystem that seamlessly integrates functionality with user-friendliness.

This meticulous approach guarantees that these panels are not only rugged enough to handle various environments but also user-friendly enough to make harnessing solar power a breeze. It can easily handle the harshness of the environment.

Conclusion

In a world where sustainability and innovation are key, POWEREPUBLIC’s portable solar panels emerge as a prime example of how technological advancement can harmoniously coexist with eco-friendly practices. With a blend of efficiency, portability, versatility, and meticulous design, these panels redefine how we harness and utilize solar power.

Every lithium battery including Maxworld lithium battery and those from other top manufacturers requires proper maintenance. Without proper maintenance, such batteries will soon stop functioning efficiently. Hence, you should pay attention to these maintenance tips.

Lithium Battery Top Maintenance Tips

1. Do Not Charge To 100% Capacity

This can be achieved using a lower float voltage. When float voltage is reduced, the service life and cycle life of the battery will be increased. If the float voltage of a lithium battery drops by 100-mV or 300-mV, the life cycle of this battery will be doubled or even tripled. Also, note that the chemical makeup of the battery will determine the sort of treatment given to it. Compared to other types of battery chemistries, Li-ion cobalt chemistry reacts more to a high float voltage. Similarly, a lower float voltage is seen more in Li-ion phosphate batteries than in any other Li-ion batteries.

2. Use Partial Discharge Cycles

To prolong the lifespan of a lithium battery, always recharge after you have used 20% to 30% of the battery capacity. Generally, running a shallow discharge 5 to 10 times is equivalent to a single full discharge cycle. Avoid charging the battery completely at all times, this could be harmful to the battery life. Depending on the battery makeup, do not fully discharge down to 2.5 V or 3 V.

3. Avoid high charge and discharge currents

Do not charge or discharge at high currents. A high current lowers the cycle life of a battery because it places undue stress on the battery. Although some battery chemistries such as Li-phosphate and Li-manganese are more suited for high currents, it is generally not advisable to charge or discharge at high currents.

4. Use Correct Charge Termination Method

Choice of charger can also go a long way in prolonging the battery life. Some types of chargers use a minimum charge-current termination. What this charger does is terminate charging before it is fully charged. For instance, the charge cycle is terminated when the current gets to C/5. When this happens, the battery charges only approximately 85%.

5. Limit the battery temperature

This is yet another important factor to note if you wish to prolong battery life. Charging below 0°C should be prohibited. This is because charging at such a low temperature encourages metal plating, creates excessive heat, and destabilizes the battery. Modern chargers are designed to measure battery temperature to ensure that charging does not continue at very high or very low temperatures.

6. Avoid very deep discharges (below 2 V or 2.5 V)

Deep discharge is one of the major causes of damage in a lithium battery. It causes internal metal plating which in turn causes a short circuit to occur. All these destabilize the lithium battery and make it unsafe for use. To prevent this, most lithium batteries are built with protection circuitry. The function of this circuitry is to terminate the battery connection once the voltage drops beyond 2.5 V or when it rises above 4.3 V.

Conclusion

No matter how many years manufacturers promise a lithium battery will last, such a battery will not maximize its potential if it is not properly taken care of. Therefore, users are advised to take proper care of their lithium battery to promote efficiency.

You’re looking for the most attractive watch in the world? Of course, you need a wristwatch that will give you the most effective and most reliable services you have ever wanted. Watch 3 in the UK may have these services that you need. It is so unique and brings almost all the mobile technologies on the wrist of your hand. Let us look into the features of the watch 3 UK.

Watch 3 UK Attractive and best watch available in the 21^st century

24/7 mobile calls and data Accessibility

In the current century, everything is being done simply. Mobile technology can now be accessible not only through the phone but now on your wrist too. This watch has made it easy for you to receive and make calls right on your wrist. That sounds convenient and more effective.

Efficient power retention

The best experience everyone wants with any device is that which will serve them for the longest time without having to be charged regularly. Watch 3 UK is one of these wristwatches that will give you the most efficient services for up to 5 days.

Health monitoring

Have you known that you can be able to monitor your health everywhere you are? With the new advancement in the wristwatch industry, watch 3 UK is able to monitor your health. You can check your blood pressure, calories burned among other body measurements. You do not have to spend all the cost of visiting a hospital for small check-ups yet you can have them right at your wrist.

Online music

Have you ever imagined you can have control of your music playlist right on your wrist? It is possible. The watch technology through the Huawei watches 3 have incorporated the music system in their wristwatches. This makes your music so efficient and convenient for you.

Attractive designs of your choice

Far from having a watch on your wrist, it feels good having an attractive watch. That which you feel confident wearing and operating. The Huawei Watch 3 has incorporated features that allow the user to change the looks according to what impresses them. This is a factor that will make you be proud of your wristwatch.

All-time Celia assistant

How does It feel when you give a command and it is executed as asked? There is that good feeling of control and customer service. Huawei Watch 3 UK wrist watches have an in-built customer service assistant. You will give orders to Celia on what service you want to execute and she will always respond accordingly. This must be a very effective service especially when you’re busy handling a lot of activities at the same time.

Smooth and efficient operating

This is a very easy-to-use watch with simple swipes to the left and right you are able to access all the services that you need from watch 3 in the UK. It saves you more time on an operation.

These are just some of the features of the watch 3 in the UK among many others.

Recent studies have shown that 60% of consumers tend to purchase products from businesses that take care of the environment. Therefore, there is a need to ensure your business operations are environmentally friendly. Sustainability is now part of every business and for your business to succeed, it needs to be at the frontline in protecting the environment. Other than reduced costs, increased productivity, and competitiveness, you have to make decisions that are environmentally friendly. That is also necessary if you use flexo printing processes. There is a need to know various ways that can help you go green.

Use Chlorine Free Paper

As you know, chlorine and its compounds like chlorine dioxide are quite harmful to aquatic life; you should consider using chlorine-free papers. In this way, you will have supported aquatic life. With chlorine-free papers, you can be assured that your flexo printing does not leave a carcinogenic footprint. Moreover, flexography machines that use chlorine-free paper provide high-quality prints. Thus, you can grow your business without destroying the environment.

Use Duplex Printing

Duplex printing is a technique of printing both sides of the substrate. In this way, you help reduce the number of materials used in your company. You may be surprised to learn that most businesses do not commit to duplex printing. As a result, they waste a lot of money and substrates. It is advisable to encourage your operators to use flexography machines well and embrace duplex printing.

Use Review Functionality

If you have been committing a lot of errors during flexographic printing, you need to find out how you can correct them. In this case, you can use stop and review functionality. By using this function, you can easily prevent wastage of substrate. Nearly every flexo printing machine has this function. Ideally, you can preview the print and then continue the process. This helps you minimize printout errors.

Choose Right Font

As you know, certain fonts need more ink than other fonts. Therefore, you need to select your font wisely. In this way, you can minimize the number of chemicals that get produced. That is the case when you utilize solvent-based inks.

Buy Energy-Efficient Printers

You should consider purchasing energy-efficient flexographic printing machines. Also, you should check the quality’s settings to ensure you achieve high resolution. Ensure you change the settings when you do not want high-quality prints. You should monitor how the machine consumes the ink and replace the colors to avoid wasting the ink. Another option is to access the print remotely. This means the flexographic printing machine can be operated by many people.

Improve Substrate Surface Tension

Sometimes print miss-registration can occur due to improper distribution of the resulting pressure from the plate. As a result, you can improve the surface tension and keep the flexographic printing in contact with the substrate. As you know, wastage of substrate results in a reduction of profits, and the waste can get to the environment.

The above are proven ways of making your flexographic printing business environmentally friendly. Any adjustment you make to the process must help reduce waste and energy consumed by the machine.

When it comes to CNC Rapid Prototyping, you are assured to take advantage of the numerous benefits that accompany computerized tools. These computerized equipment are used to produce product prototypes, high-quality parts, and engineering models within a short time. In this piece, you will get to know the top reasons why you need to adopt rapid prototyping.

Read on to know more.

Advantages of Using a CNC Rapid Prototyping

1. Its Fast

Using CNC machines for production in large quantities started in the 1970s. Because CNC software and machines have improved on their performances over the years, it became one of the fastest ways to create seemingly difficult shapes and hard plastics.

The speed of CNC Rapid prototyping also applies to processing and set-up time. For example, using the modern version of design software, CAM/CAD which is a three-dimensional part can be interpreted into a cutting program (G-code) and finally transferred to a mill (multi-axis) in a few hours.

2. Accuracy

There’s no regular way to attain a higher degree of precision and accuracy. You mostly need to involve cutting tools that are controlled by a computer. This higher level of accuracy tends to manufacture tolerances of about 59 microns or + 0.05 millimeters. This is considered more accurate than the wide majority of applications. This tolerance can be achieved by overproduction.

3. It Doesn’t Need Fixed Tooling

Production processes like pressure die casting and injection molding usually require that rigid dies that are made of toughened or semi-toughened steel alloys are used. Creating these tools can sometimes take many weeks, which all depends on their degree of difficulty.

Besides, silicone molds use vacuum casting which may take only a few days to get ready. One good thing is that this process is worth replicating in several other projects, mostly if you’re reproducing softer surface textures obtained from a master model. However, this can limit the progression of other jobs, especially ones that involve using CNC Machining to make engineered parts have a flatter and smoother surface.

4. It Works with Different Materials

In CNC machining, there’s no preference for what they cut. As long as the material is rigid and won’t melt or get deformed when put under the pressure during cutting, there’s no problem. This also helps in the better development of the product when you want to make many prototypes with little differences in mechanical properties. This same design can be produced in aluminum, rigid plastic, or steel.

5. Easy Modification

It’s quite easy to create modifications to a design quickly. All you need to do is alter a few lines on the G-code program; it’s mostly great for prototyping, letting you test many variants of iterations, and also have immediate access to the results. Modifying a program and making it more refined can decrease the total development of a product without having an extra cost.

Conclusion

The CNC prototyping brings required results only if experts are involved. CAD design, coding, machine availability, etc. makes experts consider it a task.

Fiber optic lighting uses optic fibers to move the light from the primary source to a remote location. It travels through the core, forming internal reflections caused by bouncing off the cladding. Optic lighting is becoming a great point of interest to people, such as electrical contractors. As the technology continues to develop, more applications are tapping into it as it comes with numerous benefits. The demand for this lighting is increasing at a high rate. In this extract, we look at the components of a fiber optic lighting system.

Components of a Fibre Optic Lighting System

The lighting system has various components that work together to make it a complete system, but the three major ones are the light source, harness, and end fittings.

1. Light Source

It acts as housing where all electrical components are found. It has a bulb, fan, controlling gear, color wheel, and transformer. The light source used and the wattage required are determined by the fibers’ size and lighting level. Fiber optic lighting is excellent when produced from a small area of an object or lamp whose lumen output is high. The light source has a reflector behind it and a lens in front to help transmit light to the fibers.

2. Harness

It consists of two or more light guides with varying diameters, joined together on one end. A light guide, also known as a tail, is used to transmit light from the electric apparatus source. Lightguides can either be glass or plastic, i.e., glass or plastic end lit, or glass or plastic side glow. Plastic tails are more extensive than glass ones. The tails have different specifications, and each depends on the needed effect and output of the light. This also determines the number of guides required per light source. A harness made up of plastic tails can be cut at the location during installation, while a glass one comes ready from the manufacturer.

3. End Fittings

They are connected to the tails, which lead to the light. It makes it easy for them to be installed or fixed onto the desired material, e.g., wood, board artwork for showcasing, or displaying. They bring out the finished look, which is attractive to the eye.

Some other components include;

a. Illuminator

It is also known as the projector and houses the light source. The illuminator is usually fitted with a glass wheel color filter called dichroic. It allows light to change color as it passes from the fixture to the end of the fiber. Special effects can be made by computerizing the color wheel movement. Filters can be fixed on the illuminator to remove harmful energy such as UV and infrared from any equipment.

b. Fixtures

Fiber optic fixtures come in different designs and finishes, and there’s a wide variety in the market to choose from. This can lead to great confusion; however, most of them are made according to their application. It becomes easier to choose one that you like, and you can always seek professional help.

Conclusion

Fiber optic lighting system components work together to ensure optic light is transmitted well to the required location. Thus, anytime your thinking of installing these optic lighting ropes, make sure all the components are functioning well.

Do you have a stadium to run? If you do, then you’ll realize that you have a lot of tough decisions to make. This is especially true if you have to manage large stadiums. One decision you must take is choosing between the more traditional lighting system and the LED stadium lights.

In this article, we’ll try to compare both systems to see which one comes out on top. While the traditional stadium lights have been around for decades, the LED stadium lights are emerging as a new power in the market.

So who wins this heavyweight contest? Let’s find out!

Comparing LED stadium lights to more traditional stadium lights

Price

When comparing two products, the first point to consider would be the price. This is one area where the LED lights wins hand down. While traditional lights have lasted for a longer period, the LED stadiums are actually cheaper.

The price in this context does not only refer to the initial payment. It also requires you to take into context the amount of energy you are set to spend. Stadium lights are definitely going to mean a large power bill. However, with the LED lights, those costs are significantly lower.

You have better efficiency

The crucial aspect of the LED stadium lights has to be longevity. It has to be able to last for hours. It’ll be a disaster for the lights to go off during an event. The traditional stadium lights undeniably has really served its purpose down the years. It can also last for a long time.

However, what the LED stadium lights has to offer blows out its capabilities in complete fashion. You’ll be able to save a whole lot while improving the hours of LED lights your stadium is going to get. At the end, you are the only winner.

Major Innovations and improvements

In order to keep up with the world, you need to keep making improvements. Let’s be honest. It’s harder to make the right improvements when using the more traditional LED lights. There’s not just more procedures and costs involved.

With the LED lights, you are already at the top of technological advancement. It’s also bound to stay that way for some time to come. So save yourself the trouble of making improvements. The world is already at your feet.

Safety measures

Safety measures are very important even though often overlooked. When it comes to lighting, the heat emission can easily lead to a disaster. However, with the LED lights, this problem is reduced. Unlike traditional lighting that generate an abundance of heat, the LED lights generate very little or no heat during its activities.

The end result is work done with everyone safe and happy. That is the dream of every one who finds themselves in charge of a project.

Bottom Line

So here’s what we think. The LED stadium lights just blows the traditional lighting out of the water. While the traditional lighting system isn’t the worst, the LED stadium lights are simply the future. That can never be in dispute.

Are you willing to take advantage of this opportunity?

The discussion concerning the legal standing of the SuperBox is an old one. Although SuperBox via the IPTV platform currently has a lot of subscribers, there is still room for improvement. If you are one of the billions of potential subscribers who are worried about the legal status of IPTV subscriptions, this article is perfect for you.

The legal status of IPTV subscriptions is that the subscriptions are certified by all the proper authorities. But keep reading for more information.

However, we will discuss more than just whether or not SuperBox subscription is legal (which of course they are). Our discussion will also extend to available forms of IPTV subscriptions as well as types of SuperBox. Many other facts about SuperBox and IPTV will be briefly mentioned during this article. But first things first, introduction.

The Current Legal Status of IPTV Subscriptions

Before we go on to tell you that IPTV subscriptions are legal in their entirety, we will be giving a brief overview of how IPTV works. This way, you will equally come to understand why IPTV is not illegal in any way. You might be worried that the “free subscription for a life time” status of IPTV subscribers is a result of piracy or something like that.

Well, you can rest easy, SuperBox IPTV services are not “pirates” of any kind. The vast number of free channels is gotten through a streaming action that is carried out through an internet connection. You could then wonder how it is you cannot stream these channels on your own. Well, it would be weird if you could stream these channels on your own without an active subscription. This is where IPTV subscriptions come in.

IPTV subscription allows you to streaming access to these channels without actually having to subscribe to them via a cable network. The IPTV boxes are essential in gaining access to these channels. You are paying for the boxes upon purchase. The payment will cover any other services offered by SuperBox IPTV. So weirdly, you are paying for these services.

However, you are paying for the right to stream them. This is the major difference between IPTV subscriptions and cable TV subscriptions. But with the playback effect of the latest IPTV boxes, who needs cable TV?

So at this point, you should have understood that everything about the legal status of IPTV subscription is trustworthy. This means that everything you can do and enjoy as a result of being an IPTV subscriber is completely within the legal bounds of the entertainment and television laws.

The two types of IPTV boxes offer just about the same services with a slight difference in the memory storage powers. The S1 Pro and the S1 Plus.

Conclusion

So at this point, you should have no more misgivings about the legal status of IPTV subscriptions. As long as you purchase your IPTV box and make all the necessary and proper connections, then you are good to go. You are not crossing any legal boundaries. There are different types of IPTV boxes for our subscribers but that is another topic altogether.

What is the outdoor advertising LED display screen? Outdoor LED displays are used for advertising, promotion, and informative purposes. You can install them easily almost anywhere and they will do their job effectively. You can use them 24/7. They consume less electricity, have a long life, low-maintenance and are eco-friendly. They are available in a variety of sizes and you can also make one according to your custom needs. You can make one giant billboard, signboards, advertising banners, LED boards, LED video walls, perimeter LED boards, with the help of LED screens.

LED screens and displays can be used at many points and places. Some of the popular ones are given below;

Outdoor advertising LED display

The most important use of LED displays is for advertisement purposes. This includes billboards, banners, perimeter boards, boards, signboards, etc. They can be installed at various locations of choice.

Outdoor rental LED display

It is the same as outdoor advertising with the only difference that their location is not permanent. They can be installed and uninstalled at various locations as per requirement.

Outdoor transparent LED display

Transparent LED display is an innovation of recent times. It lets viewers see things behind the screen as well. This has become possible due to the material, structure, and design of the display screen. It is not 100% transparent, the transparent rate is around 50-95%. The thickness is around 10mm. It is just like a glass.

Outdoor LED stage display

LEDs have become quite popular for stage productions. People in the back seats can now see the action on stage thanks to these screens. They are usually large and very bright to produce a visible image. They are used in entertainment events and art exhibitions.

Outdoor LED sports display

Like entertainment events, LEDs have become very popular to broadcast sporting events too. They are installed inside and out of the sporting arenas to bring spectators closer to the game. Their installation has helped rekindle the interest in live sporting events.

Outdoor digital display

Outdoor digital displays are used for a variety of purposes. They can be installed on roads to provide traffic updates, in airports and railway stations to give information about trains and airplanes’ schedule and in sports to display scorecard. The uses are multiple and varied and you can use it for your advantage.

Outdoor LED video display

In such kinds of displays, a video is run on a loop on a large screen. Usually, the video is of an educational or informative nature. You can install it at any event to give information to the visitors, on election day telling people how and where to vote or videos that give useful information on health, social issues, etc. to the general public.

Outdoor full color LED display

What is life without colors? From the time first black and white image surfaced man had been striving to convert it to colors. Once that was accomplished, the race is on to bring colors as close to real-life as possible. LEDs are no exception. They take pride in reproducing colors on screen as close to nature as possible. They look attractive and capture your attention.