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🔗 Russia 🔗 Russia/demographics and ethnography of Russia 🔗 Russia/language and literature of Russia 🔗 Russia/politics and law of Russia 🔗 Russia/history of Russia

Russian political jokes are a part of Russian humour and can be grouped into the major time periods: Imperial Russia, Soviet Union and finally post-Soviet Russia. Quite a few political themes can be found among other standard categories of Russian joke, most notably Rabinovich jokes and Radio Yerevan.

🔗 Physics 🔗 Astronomy

Przybylski's Star (pronounced or ), or HD 101065, is a rapidly oscillating Ap star at roughly 355 light-years (109 parsecs) from the Sun in the southern constellation of Centaurus.

🔗 Economics 🔗 Futures studies

Pessimism porn is a neologism coined in 2009 during the 2007–2012 global financial crisis to describe the alleged eschatological and survivalist thrill some people derive from predicting, reading and fantasizing about the collapse of civil society through the destruction of the world's economic system.

🔗 Biography 🔗 China 🔗 Business 🔗 Women

Zhou Qunfei (Chinese: 周群飞; born 1970) is a Chinese entrepreneur who founded the major touchscreen maker Lens Technology. After the public listing of her company on the Shenzhen ChiNext market in March 2015, her net worth reached US$10 billion, making her the richest woman in China. In 2018, she was named the world's richest self-made woman, with a net worth of $9.8 billion.

In theoretical computer science, the PACELC theorem is an extension to the CAP theorem. It states that in case of network partitioning (P) in a distributed computer system, one has to choose between availability (A) and consistency (C) (as per the CAP theorem), but else (E), even when the system is running normally in the absence of partitions, one has to choose between latency (L) and consistency (C).

🔗 Lists 🔗 Languages 🔗 Endangered languages

This is a list of extinct languages sorted by their time of extinction. A language is determined to be an extinct when its last native or fluent speaker dies. When the exact time of death of the last remaining speaker is not known, either an approximate time or the date when the language was last being recorded is given.

🔗 Computer science

In computer science, higher-order abstract syntax (abbreviated HOAS) is a technique for the representation of abstract syntax trees for languages with variable binders.

🔗 Philosophy 🔗 Philosophy/Philosophical literature 🔗 Books

Systems of Survival: A Dialogue on the Moral Foundations of Commerce and Politics is a book written by American urban activist Jane Jacobs in 1992.

It describes two fundamental and distinct ethical systems, or syndromes as she calls them: that of the Guardian and that of Commerce. She argues that these supply direction for the conduct of human life within societies, and understanding the tension between them can help us with public policy and personal choices.

🔗 Computing 🔗 Mathematics

Wireworld is a cellular automaton first proposed by Brian Silverman in 1987, as part of his program Phantom Fish Tank. It subsequently became more widely known as a result of an article in the "Computer Recreations" column of Scientific American. Wireworld is particularly suited to simulating transistors, and Wireworld is Turing-complete.

🔗 Medicine 🔗 Biology

Closed-eye hallucinations and closed-eye visualizations (CEV) are a distinct class of hallucination. These types of hallucinations generally only occur when one's eyes are closed or when one is in a darkened room. They can be a form of phosphene. Some people report closed-eye hallucinations under the influence of psychedelics. These are reportedly of a different nature than the "open-eye" hallucinations of the same compounds. Similar hallucinations that occur due to loss of vision are called visual release hallucinations.