Polybius square

What is the definition of a regular polygon and how do you find the interior angles

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

Math for Liberal Studies: Decoding a Message Using the Bifid Cipher

In this video, we work through an example decoding a message using the bifid cipher. For more info, visit the Math for Liberal Studies homepage: http://webspace.ship.edu/jehamb/mls/index.html

From playlist Math for Liberal Studies

ADFGVX Cipher: Encryption and Decryption (Updated)

Encryption and Decryption of the World War One ADFGVX Cipher, through examples. This video replaces an earlier one with the same content, but has some improvements and corrections. #cryptography

From playlist Classical Cryptography

Math for Liberal Studies: Encoding a Message Using the Bifid Cipher

In this video, we work through an example encoding a message using the bifid cipher. For more info, visit the Math for Liberal Studies homepage: http://webspace.ship.edu/jehamb/mls/index.html

From playlist Math for Liberal Studies

ADFGVX Cipher: Encryption and Decryption (OLD VERSION: SEE NEW VERSION LINK BELOW)

This video has been replaced with an updated video: visit https://youtu.be/T0xfKiU9Rr4 Encryption and Decryption of the World War One ADFGVX Cipher, through examples.

From playlist Classical Cryptography

What is the difference between a regular and irregular polygon

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

Polybius: The most dangerous arcade game ever made? - BBC REEL

It's said to be the 80s arcade game that spawned an urban legend. Polybius was rumoured to be so addictive it caused severe side effects in those who played it. Those players were said to be part of a secret US government conspiracy to try and control their minds. But how much of the Pol

From playlist Reel History

Math for Liberal Studies - Lecture 3.6.2 The Bifid Cipher

This is the second video lecture for Math for Liberal Studies Section 3.6: An Introduction to Cryptography. In this lecture, we discuss a new method for encrypting and decrypting messages: the bifid cipher. This method relies on converting the letters in the message to coordinates in a let

From playlist Math for Liberal Studies Lectures

Lost Worlds of the Mediterranean (Full Episode) | Drain the Oceans

The Mediterranean was once home to some of the world’s greatest ancient civilizations. Draining the sea unlocks the mysteries of their rise and fall. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get more Nat Geo Full Episodes: https://youtube.com/playlist?list=PLivjPDlt6ApSiD2mk9Ngp-5dZ9C

From playlist Full Episodes | National Geographic

What are four types of polygons

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

What are the names of different types of polygons based on the number of sides

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

The Battle of Cannae

Perhaps no great defeat has been more famous across time that one fought in the Second Punic War, when the feared Hannibal of Carthage crossed the Alps intent on sacking Rome. In a series of brilliant strategic victories, Hannibal threatened the very existence of the Roman Republic. And Ha

From playlist Rome

Visual telegraphs (case study) | Computer Science | Khan Academy

The history of visual telegraphs Watch the next lesson: https://www.khanacademy.org/computing/computer-science/informationtheory/info-theory/v/history-of-static-electricity-language-of-coins-6-12?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https

From playlist Journey into information theory | Computer Science | Khan Academy

Area of a Regular Polygon: 2 Conceptual Approaches

Links: https://www.geogebra.org/m/aHvgEm9v https://www.geogebra.org/m/wxJFqM9P

From playlist Geometry: Dynamic Interactives!

Sketch a net from a 3D figure

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

Sketch a figure from a net

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

What is the difference between convex and concave polygons

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

What is the difference between convex and concave

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

What are convex polygons

👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 1

From playlist Classify Polygons

The War Elephants of Carthage

The History Guy examines the history and mystery of Hannibal's war elephants. What kind of elephant did Hannibal use to cross the Alps during the Punic Wars against Rome? The answer may surprise you. The History Guy uses images that are in the Public Domain. As photographs of actual even

From playlist History and Animals