A perfect ruler of length is a ruler with integer markings , for which there exists an integer such that any positive integer is uniquely expressed as the difference for some . This is referred to as an -perfect ruler. An optimal perfect ruler is one of the smallest length for fixed values of and . (Wikipedia).
Want to Become a Great Leader? Act Like a Student, Not an Expert
Simon Sinek, bestselling author of Start With Why, explains that leadership isn't a rank you achieve. It's a skill you need to practice your entire life. Get social with Inc. on: Facebook: https://www.facebook.com/Inc Twitter: https://twitter.com/Inc G+: https://plus.google.com/+incmagazi
From playlist Critical Skills For Today
The Dos and Don'ts of Educational Leadership | Pedro Noguera | Big Think
The Dos and Don'ts of Educational Leadership New videos DAILY: https://bigth.ink/youtube Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- What qualities distinguish successful leaders within
From playlist Big Think's Leadership Guide
Muhammad Yunus Designs an Ideal Regulatory Body | Big Think
Muhammad Yunus Designs an Ideal Regulatory Body New videos DAILY: https://bigth.ink/youtube Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Muhammad Yunus warns against the negative forces
From playlist Nobel Prize winners | Big Think
What makes a good leader: strength or smarts? | Nicholas Christakis | Big Think
What makes a good leader: strength or smarts? New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Research suggests that h
From playlist Big Think's Leadership Guide
Is democracy really the best form of government? | Steven Pinker | Big Think
Is democracy really the best form of government? New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ---------------------------------------------------------------------------------- "Now in practice," say
From playlist Steven Pinker | Big Think
Classical liberalism #4: How does the rule of law promote a free society? | James Stoner | Big Think
Classical liberalism #4: How does the rule of law promote a free society? Watch the latest from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- The
From playlist Classical Liberalism | Big Think
Alex Jones and white supremacy: What to do with evil ideas? | Martin Amis | Big Think
Alex Jones and white supremacy: What to do with evil ideas? Watch the newest video from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Every piece of
From playlist Best Videos | Big Think
Angle Bisectors and Perpendicular Bisectors | Loci & Construction | Crossover 5+ | GCSE Maths Tutor
A video revising the techniques and strategies for constructing angle bisectors and perpendicular bisectors (Higher and Foundation). This video is part of the Loci & Construction module in GCSE maths, see my other videos below to continue with the series. These are the calculators that I
From playlist GCSE Maths Videos
Penn Jillette: Mistrust of Government Is a Beautiful Thing | Big Think
Penn Jillette: Mistrust of Government Is a Beautiful Thing New videos DAILY: https://bigth.ink/youtube Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- The magician explains his libertarian
From playlist Penn Jillette | Big Think
Problem Solving with Loci | Loci & Construction | Grade 5+ | GCSE Maths Tutor
Join this channel to get access to perks: https://www.youtube.com/channel/UCStPzCGyt5tlwdpDXffobxA/join A video revising the techniques and strategies for solving problems with Loci (Higher and Foundation). This video is part of the Loci & Construction module in GCSE maths, see my other
From playlist GCSE Maths Videos
Richard Dawkins: No, Not All Opinions Are Equal—Elitism, Lies, and the Limits of Democracy
No, Not All Opinions Are Equal—Elitism, Lies, and the Limits of Democracy Watch the newest video from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Y
From playlist Richard Dawkins | Big Think
Velocity Time Graphs | Area Under a Curve and Gradient of a Curve | Grade 9 | GCSE Maths Tutor
A video revising the techniques and strategies for completing questions on velocity-time graphs and speed-time graphs (Higher Only) Join this channel to get access to perks: https://www.youtube.com/channel/UCStPzCGyt5tlwdpDXffobxA/join Worksheet: https://thegcsemathstutor.co.uk/lesson-ho
From playlist Grade 9 Maths Revision Series
Visual Group Theory, Lecture 6.7: Ruler and compass constructions
Visual Group Theory, Lecture 6.7: Ruler and compass constructions Inspired by philosophers such as Plato and Aristotle, one of the chief purposes of ancient Greek mathematics was to find exact constructions for various lengths, using only the basic tools of a ruler and compass. However, t
From playlist Visual Group Theory
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
Classical Latin Named Entity Recognition (NER for DH 10.01)
In this video, I walk you through from beginning to end solving a domain-specific NER problem where the domain language is dead and highly inflected. In this video, we work with Classical Latin. Even if you do not read Latin, I encourage you to watch this video if you are interested in non
From playlist Latin Natural Language Processing (NLP)
The Amazing Heptadecagon (17-gon) - Numberphile
More on the math behind this: http://youtu.be/oYlB5lUGlbw Catch David on the Numberphile podcast: https://youtu.be/9y1BGvnTyQA More links & stuff in full description below ↓↓↓ Professor David Eisenbud - director of MSRI - on the amazing 17-gon and its link to Gauss. See end of this video
From playlist Director's Cut on Numberphile
Visual Group Theory, Lecture 6.8: Impossibility proofs
Visual Group Theory, Lecture 6.8: Impossibility proofs The ancient Greeks sought basic ruler and compass constructions such as (1) squaring the circle, (2) doubling the cube, and (3) trisecting an angle. In the previous lecture, we learned how a length or angle 'z' is constructable iff th
From playlist Visual Group Theory
SQUARE TO OCTAGON convert the easy way 0.41421 online calculator
Making an octagon is is very easy if you start with a true square. Simply multiply your WIDTH (x) 0.41421 and that is your edge length. Here is the rest of my formula. http://www.greenpowerscience.com/OCTAGONCAL.html 0.41421 = EDGE LENGTH 0.29291 = PUP LENGTH 0.54119 = OCTAGON CENTER Squ
From playlist Woodworking like a Boss
Truss Structures. Graphic statics. Part 3.
Third lecture in a series on analyzing truss structures. This video walks through computing the internal member forces with graphic statics techniques. The graphic statics lectures borrow heavily from the wonderful book, Form and Forces. https://www.amazon.com/Form-Forces-Designing-Exp
From playlist Lectures for mechanics of solids and structures
Steven Pinker: On Free Will | Big Think
Steven Pinker: On Free Wil New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ---------------------------------------------------------------------------------- Free will exists, but by no means is it a mi
From playlist Steven Pinker | Big Think