Is Digital Twin Technology Essential?

Digital Twin technology means creating a “twin” of a physical product, service, person or process in a virtual environment, allowing simulations and research that help predict potential problems and risks, and help optimize performance ahead of releasing the product or service in the real world. Digital Twin concepts have been around since the early 2000s, but it’s only now that the technology has become more cost-efficient and technically capable enough for use by more and more industries and sectors.

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Before discussing Digital Twin technology, it might be prudent to explain what the Internet of Things (IoT) is, and how it has helped bring the physical world into virtual environments. The Internet of Things includes all devices in the real world, equipped with computer chips, special software and sensors that can all communicate with each other, sharing data and incorporating Artificial Intelligence and Machine Learning to execute certain tasks autonomously or with minimal human intervention. A good example of real-world IoT is self-driving cars in a handful of cities around the world. These cars are constantly communicating with road signs and traffic lights, as well as other self-driving cars to better plan their route safely, avoid obstacles and react quickly to changing circumstances on the road.

IoT, coupled with cloud-based computing, has made digital twin technologies much more effective and much more quick. Connected, smart devices placed in the physical world and equipped with sensors collect data in real-time and real-world situations. The situations the physical sensors are put through are what the manufacturer predicts their finished product will need to hold up against. The data collected from each test or simulation is then processed by cloud-based systems and analysis is run according to different contextual, historical and of course business-specific data.

The obvious benefit of digital twins is identifying potential risks before mass-production begins, or a service is rolled out to the public. Digital twin simulations might reveal aggravating circumstances that human experts might have missed. Analyzing all the data might also lead to more efficient ways of editing the product or service and make it perform at optimum capacity, safely, more cost-effectively and for longer.

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Several products already rely heavily on digital twin research. Important examples include tall buildings, wind and water turbines and aircraft engines. The value digital twins add to these manufactured and engineered marvels ensures that human lives that rely on good design and execution of things like a skyscraper or passenger jet.

Digital Twin technology is spreading quickly to industries beyond manufacturing, to include healthcare, finance and even social programs being developed by public institutions. Research on healthcare products such as prosthetic limbs and joints, benefit greatly from the increasingly versatile abilities of digital twin products to assess how to improve older models and ensure better quality and performance in prototypes currently being developed.

The rise of digital twins holds a lot of promise for businesses, big and small. The ability to minimize risks before a large-scale roll-out of a service or mass-production of a product, will not just benefit the end users’ experience, but also cut down potential losses from mistakes or surprises that a digital twin can easily predict, and the manufacturer/developer can redesign or improve.

For now, most digital twin impact is felt in the industrial world, with consumer-driven design might mean that end-users and customers help crowd-source data and suggestions in real-time that help make products and services more in line with what their customers need and want. From cars to electronics, fashion to catering, digital twin technology that combines cloud computing with real-world data gathering, is changing the products we use every day at increasing speed, often for the better.

It will be interesting to see which industries adopt digital twin technology next, and how industries that don’t manufacture a product will run digital twin simulations on proposed social, educational or even political processes.

5 Router Tips for a Faster Internet Connection

WiFi has become the method most if not all of our devices are connected to the Internet today. Mobile phones, laptops, smart TVs and the ever-growing list of connected appliances and devices in our homes and offices use Wi-Fi to get on the World Wide Web. Often, we just plug in the router and connect our devices without giving it a second thought. Outdated firmware, misplaced locations and other router-related issues can dramatically decrease Internet speeds. Here are a few tips to help you make sure you are getting the fastest speeds possible.

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1- Location, Location, Location

It might seem obvious, but the router being in a central location is essential for optimal coverage in your home or place of business. Often, users choose to place their router next to other electronic devices or inside cabinets and cupboards. Instead, users should aim to install their WiFi router in an area with the least amount of physical obstacles that might hinder the radio waves or interfere with them.

2- Update Your Router Firmware

Regularly updating your router’s firmware is essential both for security reasons as well as speed and quality of the connections to your devices. Hackers often take advantage of weak points that are easily resolved with the latest firmware patches you can easily download and update.

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3- Upgrade Your Router

If your router is a few years old, chances are it’s a 802.11g or 802.11n router. Investing in better hardware is one of the surest ways to make sure you make the most out of your Internet connection, and the 802.11ac router would be the best upgrade you can make, especially if your laptops and devices are Wireless AC ones.

4- Increase Range

Given that WiFi uses radio waves to communicate with your devices, you can amplify the range with a few simple DIY tweaks. One idea is to use tin foil and shape it in a semi-circular way in the direction you want to amplify the range. Another is to get a cable that you can attach to your router’s twist-off antenna, allowing you to move the antennae closer to the area you want the signal to become stronger in.

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5- Use Less Crowded Channels

Routers are able to operate on various channels, and often your router will choose the least crowded one to use. The reason for crowding, especially in cities and public areas, is other WiFi routers. Your neighbors, nearby restaurants and the coffee shop down the block probably have WiFi routers too and this can degrade your signal due to interference. Network Analyzer Lite or WiFi Analyzer can help you make sure your WiFi network isn’t being crowded by others on the same channel, and you can switch channels manually if you believe your router can perform better on a less congested channel.

WiFi at 8mbps
The world average speed is at around 6 mbps, and even though in many places it can be much higher, the average in Jordan of 8mbps is more than enough for streaming Netflix in HD and normal surfing of media-rich websites such as your Facebook newsfeed and Twitter timeline. Often, the problem users have with Internet speed is due to poor router maintenance, location and outdated hardware.

With these simple tips and tricks, you can ensure you get the most out of your Internet connection and you’ll be able to surf the web, stream your favorite content and download/upload your work without a hiccup.

Could Li-Fi Router Replace Your Wi-Fi?

Wi-Fi is how we connect most of our devices to the Internet. The technology creates local area network using radio waves, and allows mobiles, tablets, laptops and other devices such as gaming consoles and smart TVs to get connected. Wi-Fi has become ubiquitous in both public and private spaces, with businesses and local governments providing it for free in most major cities across the globe. Li-Fi is a technology that uses light waves instead of radio waves to transmit data, and at a far greater speed too. This begs the question, will Li-Fi really replace Wi-Fi? The answer is not as straightforward as you might think.

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What is Li-Fi?

The term “Li-Fi” was introduced to the world in a TED Talk in 2011 by Herald Haas. It was used to describe data transmission between devices using light, whether visible light, ultraviolet or infrared. At the moment, only LED lights are capable of transmitting data using light. Li-Fi does so by turning the light off and on at a speed not detectable by the human eye.

In other words, your overhead LED lights, or your bedside LED lamp would be lighting your room, but also connecting you to the Internet at speeds that far exceed Wi-Fi. Lab tests showed a possible maximum of 224 gigabits per second for Li-Fi, compared to the standard 1300 megabits per second for Wi-Fi.

Advantages of Li-Fi

Apart from the obvious speed advantage, Li-Fi could theoretically be more secure and less susceptible to hacking given the connection needs the device to be in direct sight of the transmitter. That’s because light cannot go through walls, like radio frequencies used by Wi-Fi can. This means that unless a hacker has a direct view of the bulb, or is using advanced tools such as a telephoto lens and a specially tuned optical sensor, they would not be able to try and hack into the network by simply being in the general vicinity of where the router would be, such as with Wi-Fi networks.

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Disadvantages

Of course, the need for an uninterrupted line-of-sight puts Li-Fi at a big disadvantage compared to Wi-Fi. If your router is in your study, you can still easily connect to it from another room separated by walls and doors. In the case of Li-Fi, you’d have to have these special LED lightbulbs in every room to ensure an uninterrupted, direct line-of-sight with your devices. Another major downside to Li-Fi, is it basically cannot work outdoors in sunlight or in environments with a lot of light pollution. This largely restricts Li-Fi use to indoors with standard lighting.

The Future of Li-Fi

You might be wondering why is it that when you visit your grandparents’ house, there are rooms or areas in the house where you can’t connect to Wi-Fi. That’s probably because that area is a “wireless dead zone”. As mentioned earlier, Wi-Fi uses radio waves, which can be interfered with or blocked by items such as large metal objects (large metal cabinets, steel wiring in walls, etc.). In such places, Li-Fi does have an advantage and could be a viable alternative for Wi-Fi in such wireless dead zones, or an area with high radio frequency congestion.
If data is transmitted with light, Li-Fi needs LED bulbs to remain on. However, that doesn’t mean that your room or office needs to be well-lit 24/7. The LED bulb can be dimmed enough to utilize light frequencies beyond the spectrum of light visible to the human eye. So, you can get a good night’s sleep without having to keep the light “on” to stay connected.
Despite its exponentially greater speed, Techcrunch, the online publisher of technology news, points out that Li-Fi will probably not replace Wi-Fi on a wide scale in the near future. It might start making an impact in niche areas, such as labs and research libraries at universities and at large corporations, but its inability to function outdoors, as well as the need for a direct line-of-sight means that most consumers and manufacturers will probably stick to Wi-Fi for now.
Further down the line, devices, homes and public buildings might be built and equipped with Li-Fi in mind, making the possibility of shifting from Wi-Fi to Li-Fi more manageable for end users. Till then though, perhaps your best bet is to upgrade your Wi-Fi routers and make sure you place them in the ideal spot for best coverage in your home or place of business.

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