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Topic Review
Biography
Topic Review
Shotgun Wedding
A shotgun wedding is a wedding that is arranged to avoid embarrassment due to premarital sex possibly leading to an unintended pregnancy, rather than out of the desire of the participants. The phrase is a primarily American colloquialism, termed as such based on a stereotypical scenario where the father of the pregnant bride-to-be threatens the reluctant groom with a shotgun to ensure that he follows through with the wedding.
4.2K
25 Nov 2022
Topic Review
Tata Nano Singur Controversy
The Tata Nano Singur controversy was a controversy generated by land acquisition of a proposed Tata Motors automobile factory at Singur in Hooghly district, West Bengal, India. The factory would have been used to build the compact car Tata Nano. Tata Motors started constructing a factory to manufacture a car, Tata Nano which was estimated to cost $2,500 at Singur. The small car was scheduled to roll out of the factory by 2008. The state government of West Bengal created the controversy by citing the 1894 land acquisition act rule to conduct an eminent domain takeover of 997 acres (4.03 km2) of farmland on which Tata Motors was supposed to build its factory. The rule is meant for public improvement projects, and the West Bengal government wanted Tata to build in its state. The project was opposed by activists and opposition parties in Bengal.
4.2K
19 Oct 2022
Topic Review
Algorithm for Dysphagia Screening
Dysphagia is often unrecognized because many people are unfamiliar with symptoms and signs of dysphagia besides choking during swallowing. Dysphagia screening is therefore important. A good screening should be a quick process and minimally invasive but can determine the likelihood of dysphagia. Here, an algorithm for dysphagia screening is introduced. The algorithm can be used for people unspecialized in dysphagia.
4.2K
05 Nov 2020
Topic Review
Artificial Intelligence in Water Treatment and Monitoring
Artificial-intelligence methods and machine-learning models have demonstrated their ability to optimize, model, and automate critical water- and wastewater-treatment applications, natural-systems monitoring and management, and water-based agriculture such as hydroponics and aquaponics. In addition to providing computer-assisted aid to complex issues surrounding water chemistry and physical/biological processes, artificial intelligence and machine-learning (AI/ML) applications are anticipated to further optimize water-based applications and decrease capital expenses. Poor data management, low explainability, poor model reproducibility and standardization, as well as a lack of academic transparency are all important hurdles to overcome in order to successfully implement these intelligent applications. Recommendations to aid explainability, data management, reproducibility, and model causality are offered in order to overcome these hurdles and continue the successful implementation of these powerful tools.
4.2K
01 Jul 2022
Topic Review
History of the Aircraft Carrier
Aircraft carriers are warships that evolved from balloon-carrying wooden vessels into nuclear-powered vessels carrying scores of fixed- and rotary-wing aircraft. Since their introduction they have allowed naval forces to project air power great distances without having to depend on local bases for staging aircraft operations. Balloon carriers were the first ships to deploy manned aircraft, used during the 19th and early 20th century, mainly for observation purposes. The advent of fixed-wing aircraft in 1903 was followed in 1910 by the first flight from the deck of a US Navy cruiser. Seaplanes and seaplane tender support ships, such as HMS Engadine, followed. The development of flat top vessels produced the first large fleet ships. This evolution was well underway by the early to mid-1920s, resulting in the commissioning of ships such as Hōshō (1922), HMS Hermes (1924), Béarn (1927), and the Lexington-class aircraft carriers (1927). Most early aircraft carriers were conversions of ships that were laid down (or had even served) as different ship types: cargo ships, cruisers, battlecruisers, or battleships. During the 1920s, several navies started ordering and building aircraft carriers that were specifically designed as such. This allowed the design to be specialized to their future role, and resulted in superior ships. During the Second World War, these ships would become the backbone of the carrier forces of the US, British, and Japanese navies, known as fleet carriers. World War II saw the first large-scale use of aircraft carriers and induced further refinement of their launch and recovery cycle leading to several design variants. The USA built small escort carriers, such as USS Bogue, as a stop-gap measure to provide air support for convoys and amphibious invasions. Subsequent light aircraft carriers, such as USS Independence, represented a larger, more "militarized" version of the escort carrier concept. Although the light carriers usually carried the same size air groups as escort carriers, they had the advantage of higher speed as they had been converted from cruisers under construction.
4.2K
07 Nov 2022
Topic Review
Remote Attestation
Remote Attestation (RA) is a security mechanism to remotely detect adversarial presence on untrusted devices in order to guarantee their trustworthiness. RA runs as a two-party security protocol in which a trusted party (i.e., verifier) assures the integrity of the untrusted remote device (i.e., prover). Software-based RA approaches aim at verifying device integrity without relying on specialized hardware components. Despite their limited security guarantees, software-based RA approaches bring opportunities in attesting legacy and resource-constrained Internet of Things (IoT) devices, in which the presence of a hardware root-of-trust is not always a realistic assumption.
4.2K
31 Jan 2022
Topic Review
Potentially Toxic Elements
Potentially toxic element (PTE) pollution is a major abiotic stress, which reduces plant growth and affects food quality by entering the food chain, and ultimately poses hazards to human health.
4.2K
18 May 2021
Topic Review
Foams and Emulsions
Foams and emulsions are collections of different kinds of bubbles or drops with particular properties. They provide exceptional sensitive bases for measuring low concentrations of molecules down to the level of traces using spectroscopy techniques, thus opening new horizons in microfluidics. The optical and spectral properties of foams and emulsions provide information about their micro-/nanostructures, chemical and time stability, and molecular data of their components.
4.2K
19 Apr 2022
Topic Review
Coordination Polymers
Coordination polymers are solid-state structures consisting of repeating coordination units extending in one, two or three dimensions. Fields applications of the coordination polymers in general and metal-organic frameworks in particular are briefly discussed.
4.2K
31 Jul 2020
Topic Review
Mathematical Modeling and Computational Tools in Drug Design
The conventional drug discovery approach is an expensive and time-consuming process, but its limitations have been overcome with the help of mathematical modeling and computational drug design approaches. Previously, finding a small molecular candidate as a drug against a disease was very costly and required a long time to screen a compound against a specific target. The development of novel targets and small molecular candidates against different diseases including emerging and reemerging diseases remains a major concern and necessitates the development of novel therapeutic targets as well as drug candidates as early as possible. In this regard, computational and mathematical modeling approaches for drug development are advantageous due to their fastest predictive ability and cost-effectiveness features. Computer-aided drug design (CADD) techniques utilize different computer programs as well as mathematics formulas to comprehend the interaction of a target and drugs. Traditional methods to determine small-molecule candidates as a drug have several limitations, but CADD utilizes novel methods that require little time and accurately predict a compound against a specific disease with minimal cost.
4.2K
01 Aug 2022
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