The compound of five icosahedra is uniform polyhedron compound. It's composed of 5 icosahedra, rotated around a common axis. It has icosahedral symmetry Ih. The triangles in this compound decompose into two orbits under action of the symmetry group: 40 of the triangles lie in coplanar pairs in icosahedral planes, while the other 60 lie in unique planes. (Wikipedia).
How to Construct an Icosahedron
How the greeks constructed the icosahedron. Source: Euclids Elements Book 13, Proposition 16. In geometry, a regular icosahedron is a convex polyhedron with 20 faces, 30 edges and 12 vertices. It is one of the five Platonic solids, and the one with the most faces. https://www.etsy.com/lis
From playlist Platonic Solids
33. Bacteria and Antibiotic Resistance
MIT 7.016 Introductory Biology, Fall 2018 Instructor: Barbara Imperiali View the complete course: https://ocw.mit.edu/7-016F18 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63LmSVIVzy584-ZbjbJ-Y63 Professor Imperiali goes through the mechanisms of how bacteria develop
From playlist MIT 7.016 Introductory Biology, Fall 2018
Periodic Table Part 4: Boron Group (B, Al, Ga, In, Tl, Nh)
It's time to check out Group 13 on the periodic table, the boron group. This includes boron, aluminum, gallium, indium, thallium, and nihonium. What can we say about their properties, reactivities, and applications? Let's find out! Watch the whole Inorganic/Organometallic Chemistry playli
From playlist Inorganic/Organometallic Chemistry
AlgTop8: Polyhedra and Euler's formula
We investigate the five Platonic solids: tetrahedron, cube, octohedron, icosahedron and dodecahedron. Euler's formula relates the number of vertices, edges and faces. We give a proof using a triangulation argument and the flow down a sphere. This is the eighth lecture in this beginner's
From playlist Algebraic Topology: a beginner's course - N J Wildberger
Local structure in nucleation of hard spheres in experiments and simulation by Paddy Royall
Conference and School on Nucleation Aggregation and Growth URL: https://www.icts.res.in/program/NAG2010 DATES: Monday 26 July, 2010 - Friday 06 Aug, 2010 VENUE : Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru DESCRIPTION: Venue: Jawaharlal Nehru Centre for Advance
From playlist Conference and School on Nucleation Aggregation and Growth
TCE#8 Nomenclature of Organic Compounds
Preliminary Chemistry The Chemical Earth Nomenclature of organic compounds
From playlist Preliminary Chemistry - The Chemical Earth
Bridges 2018 talk - Visualizing hyperbolic honeycombs
This is a talk I gave at the Bridges conference on mathematics and the arts (http://bridgesmathart.org/), on 27th July 2018, about my JMA paper with Roice Nelson: https://www.tandfonline.com/doi/abs/10.1080/17513472.2016.1263789 Many high resolution images at hyperbolichoneycombs.org Ray-m
From playlist Talks
Growth of Order and its role in the Dynamics of Supercooled Liquids by Smarajit Karmakar
Program Entropy, Information and Order in Soft Matter  ORGANIZERS Bulbul Chakraborty, Pinaki Chaudhuri, Chandan Dasgupta, Marjolein Dijkstra, Smarajit Karmakar, Vijaykumar Krishnamurthy, Jorge Kurchan, Madan Rao, Srikanth Sastry and Francesco Sciortino DATE & TIME 27 August 2018 to
From playlist Entropy, Information and Order in Soft Matter
Ionic Compounds: Writing Chemical Names
How to write chemical names for ionic compounds You can see a listing of all my videos at my website, http://www.stepbystepscience.com
From playlist Chemical Equations; Ionic and Covalent Compounds
Colloidal Glasses: Bringing Glass Physics Into Focus by Rajesh Ganapathy
ICTS COLLOQUIUM Colloidal Glasses: Bringing Glass Physics Into Focus SPEAKER: Rajesh Ganapathy (Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore) DATE: 14 DECEMBER 2020 VENUE: Online ABSTRACT: Colloidal suspensions consist of micrometer-sized particles that remain s
From playlist ICTS Colloquia
Ionic Solids, Molecular Solids, Metallic Solids, Network Covalent Solids, & Atomic Solids
This chemistry video tutorial provides a basic introduction into solids. It explains how to classify a solid as ionic solids, molecular solids or atomic solids. There are 3 different types of atomic solids that you need to be familiary with - metallic solids, Group 8A solids, and network
From playlist New AP & General Chemistry Video Playlist
Preliminary Chemistry The Chemical Earth Ionic compounds
From playlist Preliminary Chemistry - The Chemical Earth
1.1 IB Chemistry terminology: Atoms, elements, compounds, molecules, formula units, mixtures
1.1 IB Chemistry terminology: Atoms, elements, compounds, molecules, formula units, mixtures Chemistry terminology: Atoms elements compounds molecules formula units mixtures and a lot more! Everything you need for IB Chemistry: http://www.mrwengibchemistry.com/ 0:18 Matter 0:28 Mixture v
From playlist Topic 1 Stoichiometry - register for free www.mrwengibchemistry.com
Organic Chemistry - Ch 1: Basic Concepts (14 of 97) Isomers of Octane (18) Simple Representation
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the properties (18) or isomers or octane, using simple representation. Next video in this series can be seen at: https://youtu.be/3yMgJI8Sdq4
From playlist ORGANIC CHEMISTRY CH1 INTRODUCTION
Phi and the TRIBONACCI monster
NEW (Christmas 2019). Two ways to support Mathologer Mathologer Patreon: https://www.patreon.com/mathologer Mathologer PayPal: paypal.me/mathologer (see the Patreon page for details) Today's video is about explaining a lot of the miracles associated with the golden ratio phi, the Fibona
From playlist Recent videos
Live CEOing Ep 163: Geometric Computing in Wolfram Language
Watch Stephen Wolfram and teams of developers in a live, working, language design meeting. This episode is about Geometric Computing in the Wolfram Language.
From playlist Behind the Scenes in Real-Life Software Design
Science & Technology Q&A for Kids (and others) [Part 100]
Stephen Wolfram hosts a live and unscripted Ask Me Anything about the history of science and technology for all ages. Find the playlist of Q&A's here: https://wolfr.am/youtube-sw-qa Originally livestreamed at: https://twitch.tv/stephen_wolfram If you missed the original livestream of
From playlist Stephen Wolfram Ask Me Anything About Science & Technology
What Are Allotropes of Metalloids and Metals | Properties of Matter | Chemistry | FuseSchool
What Are Allotropes of Metalloids and Metals Learn the basics about allotropes of metalloids and metals, as a part of the overall properties of matter topic. An allotrope is basically a different form of the same element, each with distinct physical and chemical properties. For example
From playlist CHEMISTRY
Atomistically inspired origami
Oxford Mathematics Public Lectures - Richard James - Atomistically inspired origami The World population is growing at about 80 million per year. As time goes by, there is necessarily less space per person. Perhaps this is why the scientific community seems to be obsessed with folding t
From playlist Oxford Mathematics Public Lectures
How to construct an Octahedron
How the greeks constructed the 2nd platonic solid: the regular octahedron Source: Euclids Elements Book 13, Proposition 14. In geometry, an octahedron is a polyhedron with eight faces, twelve edges, and six vertices. The term is most commonly used to refer to the regular octahedron, a Plat
From playlist Platonic Solids