Applied Technology Review : News

Geophysical services have countless advantages, such as affordability, and are useful in solving complex issues. Geophysics is the study of the earth using non-invasive, quantitative physical methods, particularly seismic (reflection, refraction, surface waves), electrical, electromagnetic, magnetic, gravity, and radioactivity. A global geophysicist studies the planet's gross structure and dynamic behavior on a large scale. In exploration geophysics, geophysical techniques are applied to solve geothermal, groundwater, hydrocarbon, and mineral exploration challenges and targets of engineering and environmental interest. As a method of detecting shallow and deep subsurface conditions, geophysics offers a unique glimpse into the Earth's subsurface. The relevance of geophysics lies in its tangible and cost-effective benefits. It is non-destructive and non-invasive: It is apt for use in populated areas, including cities, where many environmental and engineering issues arise today. Furthermore, it means that an archeological or historical site can be examined without destroying it. A cost-effective solution: Geophysics does not need excavation or direct access to the subsurface except for borehole methods. As a result, vast areas of Earth can be evaluated for far less cost than excavation or even grid drilling. Efficacy: Rapidly assessing large areas of the subsurface is possible with it. Affirmed: Geophysical techniques have existed for more than half a century. The techniques are mature but are largely underutilized and unexplored by decision-makers and project managers facing complex engineering, environmental, and exploration challenges. A comprehensive approach: It is possible to solve complex problems by combining geophysical methods (i.e., multidisciplinary methods). Interpretation becomes less ambiguous as more geophysical properties are evaluated. Practitioners most commonly use the following geophysical exploration methods: Seismic methods include seismic refraction, seismic refraction tomography, MASW, Remi, seismic tomography, cross-hole seismic, and downhole seismic, using electrical methods: electrical resistivity, induced polarization (IP), and self-potential (SP). Radar that penetrates the ground (GPR), Deep and shallow electromagnetics, the magnetic field, Inertia, and geophysical logging of boreholes. Geophysical exploration is an organized procedure involving several important factors that must be addressed before work can begin, such as: • Assessing the suspected problem at hand (i.e., what initial information is known about the site, what additional information is required, and what outcomes are desired). • Identifying the necessary geophysical coverage. • Identifying the best geophysical method or combination of techniques. Geophysical methods are not all applicable. To determine which methods are most likely to provide pertinent data and information, it is important to evaluate them carefully. • Assessing how data and information are acquired, interpreted, and presented to solve the problem. The geophysical survey can begin once these fundamental elements have been addressed and the project has been approved. Geophysical field surveys are generally conducted along oriented lines or survey grids. ...Read more

City officials and planners optimize digital twin applications to make effective decisions based on real-time information. Surveillance cameras integrated with specific software can transmit data to digital twin platforms. City data provide digital twin applications with the capability to map city activities like traffic flow, optimal routes, congestion rates, response times, and air quality can influence planning decisions. Digital-twin-enabled smart surveillance is integral to smart city goals, which aim to reduce crime rates, free up roadways, improve sustainable lifestyles, and reduce infrastructural response times. Smart cities can optimize infrastructural efficiency through digital twin applications. Data optimization: Manufacturing and logistic companies rely on digital twin platforms' real-time information to make the best decision. They can effectively view and map assets. Other city planning aspects rely on digital twins. It provides officials with virtual representations based on real-time data collected through the internet of things (IoT). City authorities can access data on air pollution levels, noise levels, weather conditions, and the movement of vehicles, bikes, and pedestrians through certain city areas. Officials can make decisions based on specific traffic movements, behaviors, and events. Planning: Surveillance systems track the daily movements of traffic around the city, while digital twin applications map and trace activities. Vehicle numbers, types, and patterns, such as how many cars, trucks, and bicycles are on the road in certain areas, are some of the information collected in this area. The digital twin platform can enable advanced analytics, such as multidimensional AI, as data is collected from multiple sources. Analyzing different datasets using AI can produce greater insights that can be applied to a macro level. It is possible to review the impact and outcome of an action by going through replicas and models of different scenarios. City officials can anticipate challenges and plan in advance. Surveillance cameras: Sensor data input plays a key role in the strength of digital twin platforms. The software will build accurate virtual representations using this information, which will feed into the models. A network camera with real-time visual feedback is crucial to this process, as it not only provides surveillance but also captures high-quality images that serve as the basis for analytical insights. Due to many network cameras already installed in crucial locations, data collection is enhanced by utilizing the existing install base rather than installing new cameras wherever necessary. ...Read more

The application of Nanotechnology in the Internet of Things comes with various advantages, such as improved battery energy and efficiency, providing accessibility and sustainability. The Internet of Things (IoT) consists of interconnected physical objects embedded with sensors, antennas, processors, software, and other technologies to enable relevant data exchange over the internet. In 2025, the number of IoT-connected devices will peak at 75 billion, generating tens or hundreds of zettabytes of data, ranging from pills to guided missiles. Nanotechnology integration is one of the fascinating developments. As a result, nanodevices will extend the IoT concept to its fullest potential and give rise to the internet of Nano-Things (IoNT). The nanotechnology industry : Nanomaterials can be used to increase the functionality, energy efficiency, and accuracy of IoT devices while reducing their size by utilizing their exceptional properties. Nanoantennas, nano processors, and nanobatteries are all examples of IoT nanodevices currently being used or developed, but nanosensors have found the most use within IoT endpoints. The nanosensor: IoT sensors must monitor specific phenomena in sensing environments to provide relevant data for analysis. In order to achieve this, nanosensors use a variety of nanomaterials that are capable of monitoring physical, chemical, and biological processes. IoT sensors can benefit from nanomaterials thanks to their low power consumption (as low as 3W) and scalable soft lithography fabrication technique. The advantages of nanotechnology have also been seen in non-invasive biosensors for continuous monitoring of blood glucose as well as for monitoring chemicals, microbes, and other analytes in drinking water. The nanoantenna: By receiving, decoding, and transmitting information via various wave types, IoT antennas enable wireless communication between devices. Nanoantennas, often based on graphene, radiate in the terahertz band to achieve this function. In addition to being much smaller than traditional antennas, they can also be combined with nanosensors by utilizing carbon nanotubes, which can both sense and signal. The fabrication technique could also be a particularly exciting advantage of nanotechnology. In just one step, Drexel University researchers have developed a titanium carbide nanoantenna that can be sprayed directly onto rigid or flexible objects without adding any weight or circuitry, enabling an object to quickly become a smart IoT device. The nano processor: Data received from IoT endpoints must be processed by an IoT processor by performing appropriate calculations. Most of them are silicon-based and consist of millions, if not billions, of transistors that act as binary switches within gates that simulate logic functions. Nano-Internet of Things: By incorporating all or some of these nanodevices into the existing Internet of Things concept, the Internet of Nano-Things is created. The IoNT is commonly referred to as a nanoscale version of the IoT, but its implications go far beyond the simple differentiation. Whether it is the enhanced sensitivity of nanosensors or the increased energy density of nanobatteries, nanodevices allow a new level of sophistication to the IoT paradigm, facilitating its applicability to ever-increasing applications. ...Read more