Curated Video
Python for OOP - The A to Z OOP Python Programming Course - Exercise on Class Variables
In this video, you will explore class variables in Python OOP, how they differ from instance variables, and their use cases in creating shared attributes among class instances.
Astrum
What Milankovitch Cycles Will Do To Earth
Earth's orbit is constantly evolving through Milankovitch Cycles.
Curated Video
Puerto Rican Parrot Sighting
Dr. Boyd details his experience seeing a rare Puerto Rican Amazon (Parrot) sighting in Puerto Rico.
Science ABC
What Is Pi (π)? Is It Infinite?
Pi (π) is a fascinating number with many applications in mathematics, physics, and engineering. Its infinite decimal representation is a reminder of its fundamental nature in the universe. Mathematician Johann Lambert proved that pi is...
Science ABC
Tangential Velocity: Definition, Formula, Equation, Calculation and Examples
The tangential velocity is measured at any point tangent to a rotating wheel. Thus, angular velocity, w, is related to tangential velocity, Vt, through the formula: Vt = wr. Here, r is the radius of the wheel. Tangential velocity is the...
Science ABC
Resonance (Chemistry) Explained in Simple Words with Examples
Resonance is a way of describing delocalized electrons within certain molecules where a single Lewis formula cannot express the bonding. To understand resonance in chemistry, you need to first understand covalent bonds, sigma and pi...
Science ABC
Is A Straight Line Always The Shortest Distance Between Two Points?
No, a straight line isn't always the shortest distance between two points. The shortest distance depends on the geometry of the object or surface in question. While a straight line is the shortest distance between two points on a flat...
Science ABC
How Many Holes Does A Drinking Straw Have?
The debate around how many holes a straw has, is one of fascinating debates to be a part of! There are those who say there are two holes while some feel there is only one whole. Some have gone so far as to claim that a straw has zero...
Science ABC
Why is a Circle 360 Degrees, Why Not a Simpler Number, like 100?
A circle is 360 degrees But have you ever thought why is a circle not a simpler number, like 10 degrees or 100 degrees? As it turns out 360 is actually a very good number. From a purely mathematical standpoint, a number like 10 or 100...
Science ABC
Why Are Rainbows Curved?
A rainbow is not actually shaped like a semicircle or an arc; that is simply the shape that we see. In fact, a rainbow is a circle, but we can’t see the full shape because the horizon cuts off the lower half. However, if you were...
Science ABC
Why Are Planetary Orbits Elliptical?
Planetary orbits are elliptical because gravitational interaction over time changes the delicate balance of mass, velocity and distance from the star which otherwise keeps planetary orbit circular. For a very long time, from Ptolemy to...
Curated Video
Convex
Curving outwards, like the outside of a ball or boundary of a circle. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Pi: Reciting Pi
Watch one champion try to recite Pi to as many digits as he can; and discover what Pi is and why it is useful. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show...
Curated Video
Beating the U-Boats
How Churchill used geometry to protect his supply convoys during World War Two, by identifying the best shape for convoys to travel in... a circle. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Designing Chartres
Discover the geometry underlying the design of Chartres Cathedral in France, and its many decorative features. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...
Curated Video
Proportion: The Vitruvian Man
What role does geometry play in da Vinci's famous drawing, and how does it use proportion to describe human anatomy and 'design' in nature. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Percentages: Feeding the Nutcracker
See the preparations the tiny Clark's Nutcracker makes for winter. Alongside its incredible memory, this bird must play the percentage game to survive. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Measuring the Earth
The story of how a Persian scholar calculated the Earth's circumference over 1000 years ago, using only a mountain and trigonometry. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Calculating Pi: Archimedes
Archimedes' mathematical ability was central to his work as a great engineer. Discover how he came up with the most accurate approximation of Pi in ancient times, by bounding a circle within 96-sided polygons. Maths - History Of Maths A...
Curated Video
Where is the Centre of a Triangle?
The answer is not as straight-forward as it might seem, because all triangles have more than one centre! How many centres does a triangle have, and how do you find them? Maths - Shape A Twig Math Film. Reinforce and extend the learning...
Curated Video
The Pacific Flyer
How Richard Branson's team created the world's largest hot air balloon in order to undertake a daring crossing of the Pacific Ocean. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Why Are Eggs Egg-Shaped?
The structural soundness of ovoids and the added properties that make them the ideal shape to hold life in the natural world. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films...
Curated Video
Geometry: Euclid
Although little is known about his life, through his textbook, 'The Elements', Euclid has become possibly the most prolific maths teacher ever. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Hyperbolic Geometry
What is Euclidean geometry, and how have descriptions of space moved on since Euclid's time? New types of geometry describe a strangely familiar curved space. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by...