Flipping Physics
Analogies Between LR Circuits and Falling Objects
Join us as we unravel the intricacies of LR circuits and explore their analogies to object motion. Bo's thought-provoking question sparks a discussion on the meaning of equations for the derivative of current as a function of time. Mr. P...
Flipping Physics
Time Constant - LR Circuit
Today we explore the intriguing concept of time constants in LR circuits. Building on our previous derivations, we unravel the significance of the time constant, expertly explained by Bobby. The time constant, represented as the ratio of...
Flipping Physics
LR Circuit Equation Derivations
Today, we're diving deep into LR circuits, deriving equations for current and its time rate of change. Closing the switch at t equals zero, we employ Kirchhoff’s Loop Rule, employing u-substitution for a smoother journey. Through...
Flipping Physics
LR Circuit Basics
In today's video, we delve into LR circuits, exploring the nuances of current dynamics as we close the switch. Bo and Bobby decipher the initial current behavior, emphasizing the inductor's role in opposing changes. Kirchhoff's Loop Rule...
Curated Video
How Gravity Irrigation Works
Permaculture instructor Andrew Millison lays out some of the basics you need to know to design a gravity irrigation system.
Great Big Story
Robert Lang, mastering the art of mathematical origami
Discover how Robert Lang, a former NASA physicist, combines intricate mathematics with the traditional art of origami to create stunning sculptures.
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
Quantum Physics: Here’s Why Movies Always Get It Wrong
Quantum physics deals with the foundation of our world – the electrons in an atom, the protons inside the nucleus, the quarks that build those protons, and the photons that we perceive as light. These constitute everything that we are...
Curated Video
The Right Way to Solve for Unknown Sides—Are You Doing It?
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to subtract these mixed numbers.
Curated Video
How To Solve One - Step Equations (Addition & Subtraction)
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor an algebraic expression, using different methods and several examples.
Science ABC
Archimedes Principle: Explained in Really Simple Words
Archimedes principle states that if an object is submerged in a fluid, then the buoyant force acting on it is equal to the weight of the fluid displaced by that object. Buoyant force exists because pressure increases as an object goes...
Curated Video
Chaos By Mistake
How a small error in accuracy in the 19th century led to the prediction the Universe would one day fall apart – and the development of chaos theory. How small changes in dynamic systems can lead to much greater, unpredictable events....
Curated Video
The Chase
Will the lion catch the zebra? Find the time it has to escape by solving the animals' equations simultaneously. Maths - Algebra A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes –...
Curated Video
European Mathematical Symbols
Before the 17th century, mathematical problems were written, and solved, in longhand... until mathematical symbols were invented in Europe. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Imaginary Numbers
Why did mathematicians invent imaginary numbers, and why have they become so important today? Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract concepts in...
Curated Video
Variables: Dating By Number
Can algebra help a group of unlucky-in-love men find a date? See how manipulating the values in an algebraic equation can skew the outcome. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
The Arabic Science of Balancing
The Arabic development of 'the science of balancing' using 'Al-Jabr', which laid the foundations of modern algebra. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context...
Curated Video
Coordinate Geometry: Descartes
The development of the Cartesian Coordinates system, and linear and non-linear equations, by the mathematician who fled the small hometown that now reveres him. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning...
Curated Video
The Biggest Number Ever
What is the biggest number ever used? Graham's number, discovered in the 1970s by mathematician Ron Graham, is so big as to be unfathomable. No one even knows what the first digit is – and a special form of notation is needed to describe...
Curated Video
Diophantine Equations: Fermat
This amateur mathematician proposed an exciting theorem that stood unproved for over three centuries. He claimed he had the proof – but no room to write it in the margin of his book. Maths - History Of Maths A Twig Math Film. Reinforce...
Curated Video
Tank Wars
How an unlikely algebraic equation outdid allied spying efforts at providing insight into Nazi tank production – and helped to win the war. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
Heptathlon
Heptathlon scoring involves converting distance, time or height measurements into a universal points system. The result? A complex scoring system that relies on algebra. Maths - Algebra A Twig Math Film. Reinforce and extend the learning...
Curated Video
Proving Pythagoras
Understand how Pythagoras's Theorem is applied, why it holds true, and how we know that Pythagoras did not, in fact, discover it. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
What Do Sine Waves Sound Like?
Hear sine waves as sound, and discover the equations that describe them: and the effect of increasing or decreasing the variables of amplitude and frequency. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by...