Tetrahedral cupola
In 4-dimensional geometry, the tetrahedral cupola is a polychoron bounded by one tetrahedron, a parallel cuboctahedron, connected by 10 triangular prisms, and 4 triangular pyramids. (Wikipedia).
In 4-dimensional geometry, the tetrahedral cupola is a polychoron bounded by one tetrahedron, a parallel cuboctahedron, connected by 10 triangular prisms, and 4 triangular pyramids. (Wikipedia).
This shows a 3d print of a mathematical sculpture I produced using shapeways.com. This model is available at http://shpws.me/q0PF.
From playlist 3D printing
Cardboard Tetrahedron Pyramid Perfect Circle Solar How to make a pyramid out of cardboard
How to make a pyramid out of cardboard. A tetrahedron is a polyhedron composed of four triangular faces, three of which meet at each vertex.
From playlist HOME OF GREENPOWERSCIENCE SOLAR DIY PROJECTS
How to construct a Tetrahedron
How the greeks constructed the first platonic solid: the regular tetrahedron. Source: Euclids Elements Book 13, Proposition 13. In geometry, a tetrahedron also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. Th
From playlist Platonic Solids
Unique way to divide a tetrahedron in half
This is an interesting geometry volume problem using tetrahedrons. We use the volume of a tetrahedron and Cavalieri's principle in 3D.
From playlist Platonic Solids
How Many Faces, Edges And Vertices Does A Triangular Pyramid Have?
How Many Faces, Edges And Vertices Does A Triangular Pyramid Have? Here we’ll look at how to work out the faces, edges and vertices of a triangular pyramid. We’ll start by counting the faces, these are the flat surfaces that make the 3D shape. A triangular pyramid has 4 faces altogether
From playlist Faces, edges and Vertices of 3D shapes
7 HOLES in the Space Station - Smarter Every Day 135
Subscribe if this video earned it ⇒ http://bit.ly/Subscribe2SED Tweet ⇒ http://bit.ly/7HolesTwt Post to FB⇒ http://bit.ly/7HolesFB Comment threads on Reddit: http://bit.ly/1zM9T9C (/r/Space) http://bit.ly/1RmjTvH (/r/smartereveryday) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION: Th
From playlist Smarter Every Day in Order
How to find the volume of a pentagonal pyramid
👉 Learn how to find the volume and the surface area of a pyramid. A pyramid is a 3-dimensional object having a polygon as its base and triangular surfaces converging at a single point called its apex. A pyramid derives its name from the shape of its base, i.e. a pyramid with a triangular b
From playlist Volume and Surface Area
Using a set of points determine if the figure is a parallelogram using the midpoint formula
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of quadrilateral has its properties. Given four points that repr
From playlist Quadrilaterals on a Coordinate Plane
What is an equilateral triangle
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their angles are: acute, right and obtuse triangles. The cl
From playlist Types of Triangles and Their Properties
Same Sky is proud to have helped make history! Please enjoy this AMAZING video and a very special thank you to everyone who made it out to witness this in person. Thank you for your support!! INFO: During the week of March 14th - 19th 2011 Dart Music International staged the DMI Hou
From playlist Lenovo: For Those Who Do.
From playlist Metals Refining and Recovery
What is an equiangular triangle
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their angles are: acute, right and obtuse triangles. The cl
From playlist Types of Triangles and Their Properties
SpaceX Made History Again, Here’s How
On September 15, 2021, SpaceX's all-civilian Inspiration4 mission is set to usher us into a new era of spaceflight. This historic spaceflight could open up space exploration to all of humanity, not just astronauts. » Subscribe to Seeker! http://bit.ly/subscribeseeker (then hit the little
From playlist Countdown to Launch | Seeker
HOW IT WORKS: The International Space Station
This explains each interior area, crew living quarters, and scientific equipment.
From playlist Documentaries
The best photos of Earth taken from space | Chris Hadfield | Big Think
The best photos of Earth taken from space New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Flying three missions to spac
From playlist Best Videos | Big Think
Objects and Data Collections in Early Scientific Disciplines - Anja-Silvia Goeing - May 23, 2013
This talk is part of the symposium, "Data Visualization from Data to Discovery: Art Center + Caltech + JPL", May 23, 2013 | Beckman Auditorium | Caltech, Pasadena, CA, USA | http://www.hi.jpl.nasa.gov/datavis Taxonomic Show-And-Tell: Objects and Data Collections in Early Scientific Discip
From playlist Data Visualization from Data to Discovery - May 23, 2013
Mod-02 Lec-04 Crystal Structure (Contd.)
Advanced ceramics for strategic applications by Prof. H.S. Maiti,Department of Metallurgy and Material Science,IIT Kharagpur.For more details on NPTEL visit http://nptel.ac.in
From playlist IIT Kharagpur: Advanced Ceramics for Strategic Applications | CosmoLearning.org Materials Science
29. Transition Metals: Crystal Field Theory Part II
MIT 5.111 Principles of Chemical Science, Fall 2014 View the complete course: https://ocw.mit.edu/5-111F14 Instructor: Catherine Drennan This lecture starts with a challenge: can you correctly predict the color of a transition metal complex based on its ligands and its geometry? The theor
From playlist MIT 5.111 Principles of Chemical Science, Fall 2014
The geometry of the regular tetrahedron | Universal Hyperbolic Geometry 45 | NJ Wildberger
We look at the geometry of the regular tetrahedron, from the point of view of rational trigonometry. In particular we re-evaluate an important angle for chemists formed by the bonds in a methane molecule, and obtain an interesting rational spread instead. Video Content: 00:00 Introduction
From playlist Universal Hyperbolic Geometry
MIT 5.111 Principles of Chemical Science, Fall 2008 View the complete course: http://ocw.mit.edu/5-111F08 Instructor: Catherine Drennan, Elizabeth Vogel Taylor License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
From playlist MIT 5.111 Principles of Chemical Science, Fall 2008