Free math book in PDF format:
"Recreations in Mathematics," by H. E. Licks. Includes a variety of mathematical puzzles (related to number theory, geometric illusions, algebraic tricks, ancient civilizations, practical examples, etc.)
Link: https://t.co/Y3aGeIdZKP
I enjoyed reading this review of my book, where the reviewer writes: "A Passion for Mathematics by Clifford Pickover is one of the most profound works that I have read." Full review: https://t.co/KQeIT5lEXq
Mathematics.
Archimedes told us that a sphere has 2/3 the volume and surface area of its circumscribing cylinder including its bases.
In other words, he found the relationship between a sphere and a circumscribed cylinder of the same height and diameter. The volume is 4/3 πr³ for the sphere, and 2πr³ for the cylinder. The surface area is 4πr² for the sphere, and 6πr² for the cylinder (including its two bases), where r is the radius of the sphere and cylinder.
Source: https://t.co/oT9ik5b8DK
This equation is often described as the most beautiful in all of mathematics. Each of its numbers, 0, 1, π, 𝑖 and 𝑒 symbolize an entire branch of math, and in that way the equation can be seen as a glorious confluence, a testament to the unity of math. https://t.co/iYbfRKRSvc
Our delegation’s visit to Taiwan honors America’s unwavering commitment to supporting Taiwan’s vibrant Democracy.
Our discussions with Taiwan leadership reaffirm our support for our partner & promote our shared interests, including advancing a free & open Indo-Pacific region.
Federalism, based on ethnocentrism, does not operate pragmatically in the twenty-first century. Minority rights must be reserved in terms of the federal unit, which does not always include every single human right. In literal terms, fucking gods occasionally play dice or dices.
Why is @YouTube giving Russia Today & Sputnik News a platform? YouTube is shamelessly ok with Russia Today & Sputnik's disinformation campaign. Shame on YouTube. Remove Russia Today & Sputnik!
Thinking of parellells of what is happening in Ukraine and what has been happening in Burma/Myanmar over the last year. We have meglomaniac leaders in both countries: Putin and Min Aung Hlaing, who both have zero regard for human rights and their own people 1/16.
A textbook example: one of the Veto countries invaded Ukraine in the name of peacekeeping. Meanwhile, the UN, united nothing, has tweeted about their concerns over it.
@antonioguterres A textbook example: one of the Veto countries invaded Ukraine in the name of peacekeeping. Meanwhile, the UN, united nothing, has tweeted about their concerns over it.