In knot theory, the 63 knot is one of three prime knots with crossing number six, the others being the stevedore knot and the 62 knot. It is alternating, hyperbolic, and fully amphichiral.It can be written as the braid word (Wikipedia).

This step by step guide demonstrates tying 15 types: 00:36 Overhand 01:22 Square 02:36 Figure Eight 03:40 Bowline, 05:29 Running 06:19 Half, 07:45 Timber, 09:42 Rolling, 10:43 Clove Hitches 11:30 Cat's Paw 12:58 Single, 14:40 Double Sheet or Becket Bends 15:30 Fisherman's, 17:09 Doubl

From playlist How To Tutorials

Link: https://www.geogebra.org/m/a72HSgzU

From playlist Geometry: Challenge Problems

Link: https://www.geogebra.org/m/bd69d6u4

From playlist Geometry: Challenge Problems

1,701,936 unique knots (and counting) #megafavnumbers

#megafavnumbers Talking about my favorite number over 1,000,000. We currently know about the first 1,701,936 different kinds of knots. There are a lot of math youtubers making high-quality, well-edited videos about their favorite big number. This...might not be one off them. The two times

From playlist MegaFavNumbers

Link: https://www.geogebra.org/m/cjS3b6Zr

From playlist Geometry: Challenge Problems

Link: https://www.geogebra.org/m/bCFvje77

From playlist Geometry: Challenge Problems

Link: https://www.geogebra.org/m/ZY87MGd5

From playlist Geometry: Challenge Problems

Link: https://www.geogebra.org/m/ZGj7Vqtx

From playlist Geometry: Challenge Problems

Several problems with basic square roots

From playlist Middle School - Worked Examples

Exploring state-space topology in the geosciences - Sciamarella - Workshop 1 - CEB T3 2019

Sciamarella (CNRS) / 11.10.2019 Exploring state-space topology in the geosciences ************************************* Langue : Anglais ; Date : 11.10.2019; Conférencier : Sciamarella, Denisse; Évenement : Workshop 1 - CEB T3 2019; Lieu : IHP; Mots Clés :

From playlist 2019 - T3 - The Mathematics of Climate and the Environment

The design and operation of systems is explained including construction, testing, and pilot training.

From playlist Mechanical Engineering

Primes and Knots - Akshay Venkatesh

Public Lecture: Primes and Knots - October 25, 2019 Akshay Venkatesh, Robert and Luisa Fernholz Professor School of Mathematics, IAS In mathematics, there are many surprising parallels between problems in the theory of numbers and questions in three-dimensional geometry. Akshay Venkatesh

From playlist Mathematics

The US Marine CH-53K King Stallion Helicopter is Worthy of Its Name

The Sikorsky CH-53K King Stallion heavy-lift helicopter has passed the initial operational test and evaluation phase of its development ahead of its entry into service in 2022. Join our YouTube channel by clicking here: https://bit.ly/3asNo2n Find us on Instagram: https://bit.ly/3PM21xW F

From playlist Military Mechanics

Bob Bosch - Connecting the Dots - CoM Dec 2021

If someone gives us a collection of points, how should we connect them? Should we try to pair them up? Should we try to join them together to form a single loop? Should we try something else? And once we’ve decided on the rules we’re going to follow, how should we go about trying to achiev

From playlist Celebration of Mind 2021

64 Shades of Martian Grey - Computerphile

NASA had to implement error correction for the spacecraft that travelled to Mars - Professor Brailsford explains how the Mariner series managed to send back pictures from another planet. Reed Muller Code Explained: https://youtu.be/CtOCqKpti7s Inside the CPU: https://youtu.be/IAkj32VPcUE

From playlist Subtitled Films

Link: https://www.geogebra.org/m/uHEFxuky

From playlist Geometry: Challenge Problems

Star Paths: The Magic Of Observational Astronomy (Part 1)

Credit to: Veena Srinivasan (Animation and Graphics) See Part 2: https://www.youtube.com/watch?v=BuQMhBjN5AI Correction: At 12:13 I meant to say simply "zenith angle" and "azimuth angle" rather than "solar zenith angle" and "solar azimuth angle" ; the latter terms would refer solely to the

From playlist Summer of Math Exposition Youtube Videos

CERIAS Security: Chaos,Complexity, Cybernetics and Therminator 1/6

Clip 1/6 Speaker: Dave Ford · Naval Postgraduate School In the days after Presidential Decision Directive 63 "Therminator: was born at NSA. This talk gives an overview of the applications of strategies from non-linear dynamics, complexity theory and elements from cybernetics in the co

From playlist The CERIAS Security Seminars 2006

Link: https://www.geogebra.org/m/xzdy9uRQ

From playlist Geometry: Challenge Problems

EEVblog #180 - Soldering Tutorial Part 1 - Tools

PART 2: http://www.youtube.com/watch?v=fYz5nIHH0iY PART 3: http://www.youtube.com/watch?v=b9FC9fAlfQE Dave takes you through everything you need to know to do good quality soldering. Part 1 is all about the tools you might need. A lot of this was already covered in my general lab tools vid

From playlist Soldering