Prismatoid polyhedra

Decagrammic antiprism

In geometry, the decagrammic antiprism is one in an infinite set of nonconvex antiprisms formed by triangle sides and two regular star polygon caps, in this case two decagrams. (Wikipedia).

Decagrammic antiprism
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DEMO | Dangerous Doppler

Here is a demonstration of the doppler effect.

From playlist All Demonstrations

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What Is Narcissism?

Narcissism is the word we routinely use to describe someone self-satisfied and arrogant. But what do we really mean by the word – and are we applying it correctly? If you like our films, take a look at our shop (we ship worldwide): https://goo.gl/YfXSQO Join our mailing list: http://bit.ly

From playlist SELF

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The Search for Antimatter

Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Tardigrade Poster: http://vid.io/xom SciShow Mug: http://vid.io/xoa SciShow Shirt: http://vid.io/xog -- If you don't have any idea what antimatter is, you don't have to

From playlist Uploads

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Aphorisms

An aphorism is a short sentence capturing a large truth in a pithy way. Here are some of the world’s finest. SUBSCRIBE to our channel for new films every week: http://tinyurl.com/o28mut7 If you like our films take a look at our shop (we ship worldwide): http://www.theschooloflife.com/shop/

From playlist SELF

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The Origins of Antisemitic Stereotypes | Unpacked

Antisemitism has always been around, but one thing’s for sure: Over the past few years, this centuries-old prejudice has taken on a more violent face in the U.S. This week, we’re unpacking some of the antisemitic ideas we see in America today and trying to identify the conspiracy theories

From playlist Making Sense of Internet Conspiracy Theories

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Which Incapacitating Agent is the Most Effective?

This time, we're ranking incapacitating agents! The term incapacitating agent is defined by the United States Department of Defense as: "An agent that produces temporary physiological or mental effects, or both, which will render individuals incapable of concerted effort in the performance

From playlist Chemistry Tierlists

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Perfect Shapes in Higher Dimensions - Numberphile

Carlo Sequin talks through platonic solids and regular polytopes in higher dimensions. More links & stuff in full description below ↓↓↓ Extra footage (Hypernom): https://youtu.be/unC0Y3kv0Yk More videos with with Carlo: http://bit.ly/carlo_videos Edit and animation by Pete McPartlan Pete

From playlist Carlo Séquin on Numberphile

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Introduction to Antihistamines

Everybody knows what allergies are, but what causes them? What drugs do we have available to address them? As we learned in the immunology series, allergies are symptoms of an immune response to a perceived threat. Histamine is a molecule in the body that orchestrates many aspects of this

From playlist Pharmacology

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Chemistry 107. Inorganic Chemistry. Lecture 22.

UCI Chemistry: Inorganic Chemistry (Fall 2014) Lec 22. Inorganic Chemistry -- Coordination Chemistry I: Coordination Geometries View the complete course: http://ocw.uci.edu/courses/chem_107_inorganic_chemistry.html Instructor: Alan F. Heyduk. License: Creative Commons CC-BY-SA Terms of Us

From playlist Chem 107: Week 8

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Thin Groups and Applications - Alex Kontorovich

Analysis and Beyond - Celebrating Jean Bourgain's Work and Impact May 21, 2016 More videos on http://video.ias.edu

From playlist Analysis and Beyond

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Is There an Alternative to Political Correctness?

Political correctness aims for some very nice results, but its means have a habit of upsetting a lot of people. Might there be an alternative to it? We think there is, and it’s called Politeness. If you like our films, take a look at our shop (we ship worldwide): https://goo.gl/iVqWJ1 Joi

From playlist WORK + CAPITALISM

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Richard Rorty on Pragmatism & Truth

Richard Rorty discusses his own postmodern conception of pragmatism, neopragmatism. This is a version of a re-upload. The clips all come from the documentary "Of Beauty and Consolation". You may also be interested in the following discussion between Rorty, Putnam, & Conant on Truth and P

From playlist Shorter Clips & Videos - Philosophy Overdose

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Electromagnetic induction and Antigravity!!!

Physics demonstrations (la physique)!!!

From playlist physics

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Energy minimization by Abhinav Kumar

DISCUSSION MEETING SPHERE PACKING ORGANIZERS: Mahesh Kakde and E.K. Narayanan DATE: 31 October 2019 to 06 November 2019 VENUE: Madhava Lecture Hall, ICTS Bangalore Sphere packing is a centuries-old problem in geometry, with many connections to other branches of mathematics (number the

From playlist Sphere Packing - 2019

Related pages

Uniform polyhedron | Decagram (geometry) | Prismatic uniform polyhedron | Geometry | Triangle | Star polyhedron | Star polygon