Emerging Technologies,Science & Tech- Part 2

5G

5G is the 5th generation mobile network. It is a new global wireless standard after 1G, 2G, 3G, and 4G networks. 5G enables a new kind of network that is designed to connect virtually everyone and everything together including machines, objects, and devices.

5G wireless technology is meant to deliver higher multi-Gbps peak data speeds, ultra low latency, more reliability, massive network capacity, increased availability, and a more uniform user experience to more users.

What underlying technologies make up 5G?

5G is based on OFDM (Orthogonal frequency-division multiplexing), a method of modulating a digital signal across several different channels to reduce interference. 5G uses 5G NR air interface alongside OFDM principles. 5G also uses wider bandwidth technologies such as sub-6 GHz and mmWave.

5G will bring wider bandwidths by expanding the usage of spectrum resources, from sub-3 GHz used in 4G to 100 GHz and beyond. 5G can operate in both lower bands (e.g., sub-6 GHz) as well as mmWave (e.g., 24 GHz and up), which will bring extreme capacity, multi-Gbps throughput, and low latency.

5G is designed to not only deliver faster, better mobile broadband services compared to 4G LTE, but can also expand into new service areas such as mission-critical communications and connecting the massive IoT. 

How is 5G better than 4G?

There are several reasons that 5G will be better than 4G:

• 5G is significantly faster than 4G
• 5G has more capacity than 4G
• 5G has significantly lower latency than 4G
• 5G is a unified platform that is more capable than 4G
• 5G uses spectrum better than 4G

Current 4G cellphones will not be able to use the new networks, which will require new 5G enabled wireless devices.

How fast is 5G?

5G is designed to deliver peak data rates up to 20 Gbps based on IMT-2020 requirements

5G has been deployed in 20+ countries and counting. 

Where is 5G being used?

5G is used across three main types of connected services, including enhanced mobile broadband, mission-critical communications, and the massive IoT.

 

Serverless Computing

In the most basic sense, serverless computing is a cloud computing service that simplifies code deployment by running snippets of back-end code that developers write for a single short-lived task or function. Only the precise amount of computing resources needed to complete the task get performed–no more, no less.

The term “serverless computing” isn’t entirely accurate. There is, in fact, an actual server, but it is run by a cloud provider instead of a person.

Serverless computing is inexpensive–you only pay for what you use.

 

Transhumanism

Transhumanism is a philosophical movement that advocates for the transformation of the human condition by developing and making widely available sophisticated technologies to greatly enhance human intellect and physiology.

Transhumanist thinkers study the potential benefits and dangers of emerging technologies that could overcome fundamental human limitations as well as the ethical limitations of using such technologies. The most common transhumanist thesis is that human beings may eventually be able to transform themselves into different beings with abilities so greatly expanded from the current condition as to merit the label of posthuman beings.

 

Vertical Farming

Vertical farming is the practice of growing crops in vertically stacked layers. It often incorporates controlled-environment agriculture, which aims to optimize plant growth, and soilless farming techniques such as hydroponics, aquaponics, and aeroponics. Some common choices of structures to house vertical farming systems include buildings, shipping containers, tunnels, and abandoned mine shafts.

Advantages-

The main advantage of utilizing vertical farming technologies is the increased crop yield that comes with a smaller unit area of land requirement. The increased ability to cultivate a larger variety of crops at once because crops do not share the same plots of land while growing is another sought-after advantage. Additionally, crops are resistant to weather disruptions because of their placement indoors, meaning less crops lost to extreme or unexpected weather occurrences. Lastly, because of its limited land usage, vertical farming is less disruptive to the native plants and animals, leading to further conservation of the local flora and fauna.

Hydroponics refers to the technique of growing plants without soil. In hydroponic systems, the roots of plants are submerged in liquid solutions containing macronutrients, such as nitrogen, phosphorus, sulphur, potassium, calcium, and magnesium, as well as trace elements, including iron, chlorine, manganese, boron, zinc, copper, and molybdenum.

Additionally, inert (chemically inactive) mediums such as gravel, sand, and sawdust are used as soil substitutes to provide support for the roots.

The term aquaponics is coined by combining two words: aquaculture, which refers to fish farming, and hydroponics—the technique of growing plants without soil.Aquaponics takes hydroponics one step further by integrating the production of terrestrial plants with the production of aquatic organisms in a closed-loop system that mimics nature itself. Nutrient-rich wastewater from the fish tanks is filtered by a solid removal unit and then led to a bio-filter, where toxic ammonia is converted to nutritious nitrate.While absorbing nutrients, the plants then purify the wastewater, which is recycled back to the fish tanks. Moreover, the plants consume carbon dioxide produced by the fish, and water in the fish tanks obtains heat and helps the greenhouse maintain temperature at night to save energy.As most commercial vertical farming systems focus on producing a few fast-growing vegetable crops, aquaponics, which also includes an aquacultural component, is currently not as widely used as conventional hydroponics.

Aeroponics

Unlike conventional hydroponics and aquaponics, aeroponics does not require any liquid or solid medium to grow plants in. Instead, a liquid solution with nutrients is misted in air chambers where the plants are suspended. By far, aeroponics is the most sustainable soil-less growing techniques,as it uses up to 90% less water than the most efficient conventional hydroponic systems and requires no replacement of growing medium.
Currently, aeroponic systems have not been widely applied to vertical farming, but are starting to attract significant attention.

 

Deep Farms

A “deep farm” is a vertical farm built from refurbished underground tunnels or abandoned mine shafts.As temperature and humidity underground are generally temperate and constant, deep farms require less energy for heating.Deep farms can also use nearby groundwater to reduce the cost of water supply. Despite low costs, a deep farm can produce 7 to 9 times more food than a conventional farm above ground on the same area of land.

 

Foodscaping

Foodscaping, sometimes called edible landscaping or front yard farming, is a type of landscaping in which all or major areas of a lawn on private property or sometimes public property are used to grow food.

 

Green Wall

green wall is a vertical greening typology, where a vertical built structure is intentionally covered by vegetation. Green walls include a vertically applied growth medium such as soil, substitute substrate, or hydroculture felt; as well as an integrated hydration and fertigation delivery system.They are also referred to as living walls or vertical gardens, and widely associated with the delivery of many beneficial ecosystem services.

(Can be easily seen in Delhi flyovers)

 

Permaculture

Permaculture is a set of design principles centered on whole systems thinking, simulating, or directly utilizing the patterns and resilient features observed in natural ecosystems. It uses these principles in a growing number of fields from regenerative agriculture, rewilding, and community resilience.

Agroforestry is an integrated approach of permaculture, which uses the interactive benefits from combining trees and shrubs with crops or livestock. It combines agricultural and forestry technologies to create more diverse, productive, profitable, healthy and sustainable land-use systems.

 

Cultured Meat

Cultured meat is meat produced by in vitro cell culture of animal cells, instead of from slaughtered animals. It is a form of cellular agriculture.

Cultured meat is produced using many of the same tissue engineering techniques traditionally used in regenerative medicine.

Augmented Reality

Augmented reality (AR) is an interactive experience of a real-world environment where the objects that reside in the real world are enhanced by computer-generated perceptual information, sometimes across multiple sensory modalities, including visual, auditory, haptic, somatosensory and olfactory.AR can be defined as a system that fulfills three basic features: a combination of real and virtual worlds, real-time interaction, and accurate 3D registration of virtual and real objects.

In this way, augmented reality alters one’s ongoing perception of a real-world environment, whereas virtual reality completely replaces the user’s real-world environment with a simulated one.Augmented reality is related to two largely synonymous terms: mixed reality and computer-mediated reality.

The difference between Virtual Reality & Augmented Reality

In Virtual Reality (VR), the users’ perception of reality is completely based on virtual information. In Augmented Reality (AR) the user is provided with additional computer generated information that enhances their perception of reality.For example, in architecture, VR can be used to create a walk-through simulation of the inside of a new building; and AR can be used to show a building’s structures and systems super-imposed on a real-life view.

Examples of Applications-

  • Enhanced navigation systems use augmented reality to superimpose a route over the live view of the road.
  • During football games, broadcasters use AR to draw lines on the field to illustrate and analyze plays.
  • Furniture and housewares giant IKEA offers an AR app (called IKEA Place) that lets you see how a piece of furniture will look and fit in your space.
  • Military fighter pilots see an AR projection of their altitude, speed, and other data on their helmet visor, which means they don’t need to waste focus by glancing down to see them.
  • Neurosurgeons sometimes use an AR projection of a 3-D brain to aid them in surgeries.   
  • At historical sites like Pompeii in Italy, AR can project views of ancient civilizations over today’s ruins, bringing the past to life.
  • Ground crew at Singapore’s airport wear AR glasses to see information about cargo containers, speeding up loading times
  • The most famous example of AR technology is the mobile app Pokemon Go.

 

Virtual Reality

Virtual reality (VR) is a simulated experience that can be similar to or completely different from the real world. Applications of virtual reality can include entertainment (i.e. video games) and educational purposes (i.e. medical or military training). Other, distinct types of VR style technology include augmented reality and mixed reality.

 

Haptic Technology

Haptic technology, also known as kinaesthetic communication or 3D touch,refers to any technology that can create an experience of touch by applying forces, vibrations, or motions to the user. These technologies can be used to create virtual objects in a computer simulation, to control virtual objects, and to enhance remote control of machines and devices (telerobotics). Haptic devices may incorporate tactile sensors that measure forces exerted by the user on the interface. Simple haptic devices are common in the form of game controllers, joysticks, and steering wheels.

 

Simulated Reality

Simulated reality is the hypothesis that reality could be simulated—for example by quantum computer simulation—to a degree indistinguishable from “true” reality. It could contain conscious minds that may or may not know that they live inside a simulation. This is quite different from the current, technologically achievable concept of virtual reality. Virtual reality is easily distinguished from the experience of actuality; participants are never in doubt about the nature of what they experience. Simulated reality, by contrast, would be hard or impossible to separate from “true” reality. 

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