In ChemistRy!

Ozone is a powerful oxidizing agent, far better than dioxygen. It is also unstable at high concentrations, decaying to ordinary diatomic oxygen (in about half an hour in atmospheric conditions):

2 O₃ → 3 O₂

This reaction proceeds more rapidly with increasing temperature and decreasing pressure. Deflagration of ozone can be triggered by a spark (Read More)

Man Hua merupakan kata pinyin dari huruf kanji mandarin yang bermakna komik. Arti dari Man Hua yaitu komik menuju ke komik yang dibuat atau diterbit oleh china. Kata Man Hua hampir sama dengan kata Manga yang juga merupakan makna komik yang menuju pengertian komik buatan jepang.

Contoh – contoh komik china :

- Drunken Master

- Buddha’s Palm

- Four Warriors

- Eagle Shooting hero

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Logic is the study of the principles and criteria of valid inference and demonstration.

As a formal science, logic investigates and classifies the structure of statements and arguments, both through the study of formal systems of inference and through the study of arguments in natural language. The field of logic ranges from core topics such as the study of fallacies and paradoxes, to specialized analysis of reasoning using probability and to arguments involving causality. Logic is also commonly used today in argumentation theory.

Traditionally, logic is studied as a branch of philosophy, one part of the classical trivium, which consisted of grammar, logic, and rhetoric. Since the mid-nineteenth century formal logic has been studied in the context of foundations of mathematics, where it was often called symbolic logic. In Alfred North Whitehead and Bertrand Russell attempted to establish logic formally as the cornerstone of mathematics with the publication of Principia Mathematical. However, except for the elementary part, the system of Principia is no longer much used, having been largely supplanted by set theory. As the study of formal logic expanded, research no longer focused solely on foundational issues, and the study of several resulting areas of mathematics came to be called mathematical logic. The development of formal logic and its implementation in computing machinery is the foundation of computer science.

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In a modern world full with new technology beyond our imagination can help us improve our study and education only by browsing internet.

In a ‘socially mobile learning environment’, it is no longer sufficient to use online learning and teaching technologies simply for the delivery of content to (Read More)

The Pygmy Marmoset (Callithrix (Cebuella) pygmaea) is a monkey native to the rainforest canopies of western Brazil, southeastern Colombia, eastern Ecuador, and eastern Peru. It is one of the smallest primates, and the smallest monkey, with its body length ranging from 14-16 cm (excluding the 15-20 cm tail). Males weigh around 140 g (5 ounces), and females only 120 g (4.2 ounces).

Despite its name, the Pygmy Marmoset is somewhat different from the typical marmosets classified in genus (Read More)

The Komodo dragon (Varanus komodoensis), also known as the Komodo Monitor, Komodo Island Monitor, Ora (to the natives of Komodo), or simply Komodo, is a species of lizard that inhabits the islands of Komodo, Rinca, Flores, Gili Motang, and Gili Dasami, in central Indonesia.

A member of the Varanidae, and the clade Toxicofera, (Read More)

Yama in Theravāda Buddhism

Yama was understood by Buddhists as a god of the dead, supervising the various Buddhist “hells”. His exact role is vague in canonical texts, but is clearer in extra-canonical texts and popular beliefs, which are not always consistent with Buddhist philosophy.

In the Pali canon, the Buddha (Read More)

Vampire

Vampires are mythological or folkloric revenants, who subsist by feeding on the blood of the living. In folkloric tales, the undead vampires often visited loved ones and caused mischief or deaths in the neighbourhoods they inhabited when they were alive. They wore shrouds and were often described as bloated and of ruddy or dark countenance, markedly different from today’s gaunt, pale vampire which dates from the early 1800s. Although vampiric entities have been recorded in most cultures, the term vampire was not popularised until the early 18th century, after an influx of vampire superstition into Western Europe from areas where vampire legends were frequent, such as the Balkans and Eastern Europe, although local variants were also known by different names, such as vrykolakas in Greece and strigoi in Romania. This increased level of vampire superstition in Europe led to what can only be called mass hysteria and in some cases resulted in corpses (Read More)