Instructional Video2:49
SciShow

The Fibonacci Sequence: Nature's Code

12th - Higher Ed
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
Instructional Video2:56
SciShow

The Fibonacci Sequence: Nature's Code

12th - Higher Ed
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
Instructional Video2:13
Curated Video

What is a Rainbow? - Light Refraction

6th - 12th
What is refraction and how does it produces the colours and shape of a rainbow? Earth Science - Weather - Learning Points. Rainbows are beautiful tricks of the light. Rainbows are caused when light is reflected and refracted by water....
Instructional Video3:31
Curated Video

The Seven Bridges of Konigsberg

6th - 12th
An early precursor to topology, this problem asks, 'is it possible to cross each of the town's bridges exactly once?' and led to the development of Eulerian paths. Maths - Shape A Twig Math Film. Reinforce and extend the learning...
Instructional Video3:03
Curated Video

GCSE Maths - What are Chords, Segments, Arcs and Sectors? (Circles Part 2) #107

9th - Higher Ed
This video explains what chords, segments, arc and sectors are. These are all important parts of a circle that you need to know about. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation -...
Instructional Video5:14
Curated Video

GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) #108

9th - Higher Ed
This video explains how to find the area of a sector and the length of an arc. This video is suitable for maths courses around the world. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher - All on your course...
Instructional Video1:43
Weatherthings

Circumhorizon Arc

6th - 8th
When the sun is high, there’s sometimes a bright band of color in cirrus clouds between the sun and the ground. It’s a circumhorizon or circumhorizontal arc. The arc is a straight segment that looks a little like a rainbow but it forms...
Instructional Video1:55
Weatherthings

Weather Things: Coronas

6th - 8th
A blue sky and fluffy bright clouds are things that are seen around the world. The atmosphere presents a multitude of sights and phenomena using light, air, water droplets, ice crystals, and dust. Many of the phenomena give clues to...
Instructional Video3:19
Weatherthings

Weather Things: Haloes

6th - 8th
A blue sky and fluffy bright clouds are things that are seen around the world. The atmosphere presents a multitude of sights and phenomena using light, air, water droplets, ice crystals, and dust. Many of the phenomena give clues to...
Instructional Video5:31
Curated Video

Mastering Swift 2 Programming (Video 23)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video4:37
Curated Video

Mastering Swift 2 Programming (Video 22)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video6:15
Curated Video

Mastering Swift 2 Programming (Video 18)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video4:55
Curated Video

Mastering Swift 2 Programming (Video 50)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video5:11
Curated Video

Mastering Swift 2 Programming (Video 7)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video1:37
Brian McLogan

How to find x for a secant and a tangent line of a circle

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video4:35
Curated Video

Mastering Swift 2 Programming (Video 58)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video2:30
Weatherthings

A Sun Dog is a Mock Sun is a Parhelion

6th - 8th
Often, next to the sun, we find very bright patches of color. This describes what they are, and that they are not rainbows.
Instructional Video5:28
Curated Video

Mastering Swift 2 Programming (Video 27)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video6:14
Curated Video

Mastering Swift 2 Programming (Video 2)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video8:16
Curated Video

Mastering Swift 2 Programming (Video 13)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video3:49
Curated Video

Mastering Swift 2 Programming (Video 8)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video6:42
Curated Video

Mastering Swift 2 Programming (Video 45)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video6:34
Curated Video

Mastering Swift 2 Programming (Video 30)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Instructional Video4:57
Curated Video

Mastering Swift 2 Programming (Video 20)

Higher Ed
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...