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πŸ”— Weierstrass Function

πŸ”— Mathematics πŸ”— Systems πŸ”— Systems/Chaos theory

In mathematics, the Weierstrass function is an example of a real-valued function that is continuous everywhere but differentiable nowhere. It is an example of a fractal curve. It is named after its discoverer Karl Weierstrass.

The Weierstrass function has historically served the role of a pathological function, being the first published example (1872) specifically concocted to challenge the notion that every continuous function is differentiable except on a set of isolated points. Weierstrass's demonstration that continuity did not imply almost-everywhere differentiability upended mathematics, overturning several proofs that relied on geometric intuition and vague definitions of smoothness. These types of functions were denounced by contemporaries: Henri PoincarΓ© famously described them as "monsters" and called Weierstrass' work "an outrage against common sense", while Charles Hermite wrote that they were a "lamentable scourge". The functions were difficult to visualize until the arrival of computers in the next century, and the results did not gain wide acceptance until practical applications such as models of Brownian motion necessitated infinitely jagged functions (nowadays known as fractal curves).

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πŸ”— Yarn Bombing

πŸ”— Public Art πŸ”— Textile Arts πŸ”— Graffiti

Yarn bombing (or yarnbombing) is a type of graffiti or street art that employs colourful displays of knitted or crocheted yarn or fibre rather than paint or chalk. It is also called wool bombing, yarn storming, guerrilla knitting, kniffiti, urban knitting, or graffiti knitting.

πŸ”— List of Statements Independent of ZFC

πŸ”— Mathematics πŸ”— Lists

The mathematical statements discussed below are provably independent of ZFC (the canonical axiomatic set theory of contemporary mathematics, consisting of the Zermelo–Fraenkel axioms plus the axiom of choice), assuming that ZFC is consistent. A statement is independent of ZFC (sometimes phrased "undecidable in ZFC") if it can neither be proven nor disproven from the axioms of ZFC.

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πŸ”— Uyghur Genocide

πŸ”— Human rights πŸ”— Mass surveillance πŸ”— History πŸ”— Crime πŸ”— Death πŸ”— China πŸ”— Philosophy πŸ”— Politics πŸ”— Philosophy/Social and political philosophy πŸ”— Islam πŸ”— Central Asia πŸ”— Anthropology πŸ”— Sociology πŸ”— Discrimination πŸ”— Philosophy/Ethics πŸ”— Ethnic groups πŸ”— History/Contemporary History πŸ”— China/Chinese politics

The Uyghur genocide is the ongoing series of human rights abuses perpetrated by the government of China against the Uyghur people and other ethnic and religious minorities in and around the Xinjiang Uygur Autonomous Region (XUAR) of the People's Republic of China. Since 2014, the Chinese government, under the direction of the Chinese Communist Party (CCP) during the administration of CCP general secretary Xi Jinping, has pursued policies leading to more than one million Muslims (the majority of them Uyghurs) being held in secretive internment camps without any legal process in what has become the largest-scale and most systematic detention of ethnic and religious minorities since the Holocaust and World War II. Thousands of mosques have been destroyed or damaged, and hundreds of thousands of children have been forcibly separated from their parents and sent to boarding schools.

These policies have been described by critics as the forced assimilation of Xinjiang, as well as an ethnocide or cultural genocide. Some governments, activists, independent NGOs, human rights experts, academics, government officials, and the East Turkistan Government-in-Exile have called it a genocide.

In particular, critics have highlighted the concentration of Uyghurs in state-sponsored internment camps, suppression of Uyghur religious practices, political indoctrination, severe ill-treatment, as well as extensive evidence and other testimonials detailing human rights abuses including forced sterilization, contraception, abortion, and infanticides. Chinese government statistics show that from 2015 to 2018, birth rates in the mostly Uyghur regions of Hotan and Kashgar fell by more than 60%. In the same period, the birth rate of the whole country decreased by 9.69%, from 12.07 to 10.9 per 1,000 people. Chinese authorities acknowledged that birth rates dropped by almost a third in 2018 in Xinjiang, but denied reports of forced sterilization and genocide. Birth rates fell nearly 24% in 2019 (compared to a nationwide decrease of just 4.2%).

International reactions have been sharply divided, with dozens of United Nations (UN) member states issuing opposing letters to the United Nations Human Rights Council in support and condemnation of China's policies in Xinjiang in 2020. In December 2020, the International Criminal Court declined to take investigative action against China on the basis of not having jurisdiction over China for most of the alleged crimes. The United States was the first country to declare the human rights abuses a genocide, announcing its determination on January 19, 2021, although the US State Department's Office of the Legal Adviser concluded that there was insufficient evidence to prove genocide. This was followed by Canada's House of Commons and the Dutch parliament each passing a non-binding motion in February 2021 to recognize China's actions as genocide. Later, in April 2021, the United Kingdom's House of Commons unanimously passed a non-binding motion to recognize the actions as genocide. In May 2021 the New Zealand parliament unanimously declared that "severe human rights abuses" were occurring against the Uyghur people in China and the Seimas of Lithuania passed a resolution that recognized the Chinese government's abuse of the Uyghurs as a genocide.

πŸ”— The Clipper Chip

πŸ”— United States/U.S. Government πŸ”— United States πŸ”— Mass surveillance πŸ”— Cryptography πŸ”— Cryptography/Computer science

The Clipper chip was a chipset that was developed and promoted by the United States National Security Agency (NSA) as an encryption device that secured β€œvoice and data messages" with a built-in backdoor. It was intended to be adopted by telecommunications companies for voice transmission. It can encipher and decipher messages. It was part of a Clinton Administration program to β€œallow Federal, State, and local law enforcement officials the ability to decode intercepted voice and data transmissions." β€œEach clipper chip ha[d] a unique serial number and a secret β€˜unit key,’ programmed into the chip when manufactured." This way, each device was meant to be different from the next.

It was announced in 1993 and by 1996 was entirely defunct.

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πŸ”— List of countries by life expectancy

πŸ”— Medicine πŸ”— Death πŸ”— Countries

The article documents lists of countries by average life expectancy at birth by various sources of estimates.

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πŸ”— Tadoma

πŸ”— Disability πŸ”— Deaf

Tadoma is a method of communication used by deafblind individuals, in which the deafblind person places their little finger on the speaker's lips and their fingers along the jawline. The middle three fingers often fall along the speaker's cheeks with the little finger picking up the vibrations of the speaker's throat. It is sometimes referred to as tactile lipreading, as the deafblind person feels the movement of the lips, as well as vibrations of the vocal cords, puffing of the cheeks and the warm air produced by nasal sounds such as 'N' and 'M'. There are variations in the hand positioning, and it is a method sometimes used by people to support their remaining hearing.

In some cases, especially if the speaker knows sign language, the deaf-blind person may use the Tadoma method with one hand, to feel the speaker's face, and, at the same time, the deaf-blind person may use their other hand to feel the speaker sign the same words. In this way, the two methods reinforce each other, giving the deaf-blind person a better chance of understanding what the speaker is trying to communicate.

In addition, the Tadoma method can provide the deaf-blind person with a closer connection with speech than they might otherwise have had. This can, in turn, help them to retain speech skills that they developed before going deaf, and in special cases, to learn how to speak brand new words.

It is a difficult method to learn and use, and is rarely used nowadays. However, a small number of deafblind people successfully use Tadoma in everyday communication.

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πŸ”— Today I learned Epub is just HTML/CSS

πŸ”— Computing πŸ”— Books

EPUB is an e-book file format that uses the ".epub" file extension. The term is short for electronic publication and is sometimes styled ePub. EPUB is supported by many e-readers, and compatible software is available for most smartphones, tablets, and computers. EPUB is a technical standard published by the International Digital Publishing Forum (IDPF). It became an official standard of the IDPF in September 2007, superseding the older Open eBook standard.

The Book Industry Study Group endorses EPUB 3 as the format of choice for packaging content and has stated that the global book publishing industry should rally around a single standard. The EPUB format is implemented as an archive file consisting of XHTML files carrying the content, along with images and other supporting files. EPUB is the most widely supported vendor-independent XML-based (as opposed to PDF) e-book format; that is, it is supported by almost all hardware readers, except for Kindle.

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πŸ”— Religious Views of Isaac Newton

πŸ”— Biography πŸ”— Mathematics πŸ”— Religion πŸ”— Physics πŸ”— London πŸ”— Philosophy πŸ”— England πŸ”— Biography/science and academia πŸ”— Astronomy πŸ”— Philosophy/Philosophy of science πŸ”— History of Science πŸ”— Philosophy/Philosophers πŸ”— Biography/politics and government πŸ”— Philosophy/Metaphysics πŸ”— Physics/Biographies πŸ”— Christianity πŸ”— Christianity/theology πŸ”— Lincolnshire πŸ”— Anglicanism

Isaac Newton (4 January 1643 – 31 March 1727) was considered an insightful and erudite theologian by his Protestant contemporaries. He wrote many works that would now be classified as occult studies, and he wrote religious tracts that dealt with the literal interpretation of the Bible. He kept his heretical beliefs private.

Newton's conception of the physical world provided a model of the natural world that would reinforce stability and harmony in the civic world. Newton saw a monotheistic God as the masterful creator whose existence could not be denied in the face of the grandeur of all creation. Although born into an Anglican family, and a devout but unorthodox Christian, by his thirties Newton held a Christian faith that, had it been made public, would not have been considered orthodox by mainstream Christians. Scholars now consider him a Nontrinitarian Arian.

He may have been influenced by Socinian christology.

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πŸ”— The Manual (How to Have a Number One the Easy Way) by the KLF

πŸ”— Books πŸ”— The KLF

The Manual (How to Have a Number One the Easy Way) is a 1988 book by "The Timelords" (Jimmy Cauty and Bill Drummond), better known as The KLF. It is a step-by-step guide to achieving a No.1 single with no money or musical skills, and a case study of the duo's UK novelty pop No. 1 "Doctorin' the Tardis".

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