PBS
Does Time Cause Gravity?
We know that gravity must cause clocks to run slow on the basis of logical consistency. And we know that gravity DOES cause clocks to run slow based on many brilliant experiments. But I never explained WHY or HOW gravity causes the flow...
3Blue1Brown
Gradient descent, how neural networks learn | Deep learning, chapter 2
An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.
3Blue1Brown
Gradient descent, how neural networks learn: Deep learning - Part 2 of 4
An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.
3Blue1Brown
Gradient descent, how neural networks learn | Chapter 2, deep learning
An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.
Amoeba Sisters
Sodium Potassium Pump
Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...
Bozeman Science
The Action Potential
In this video Paul Andersen details the action potential in neurons. The resting potential of a neuron (-70mV) is maintained through differences in concentration and permeability of Na, K, and Cl ions. A graded potential is created as...
Bozeman Science
Equipotential Lines
In this video Paul Andersen explains how equipotential lines show equal electric potential in an electric field. Equipotential lines can be created from scalar values or by observing the electric field lines. An charged object can move...
Bozeman Science
Osmoregulation
Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for animal cell to be surrounded by an isotonic solution. He then explains how...
Curated Video
How to Create Digital Scrapbooking Background Paper & Embellishments
Howcast - Not satisfied with the background paper and embellishments you find for your scrapbooking projects? Add a personal touch by creating your own.
Curated Video
How to Add Transparency to Gradients with Adobe Illustrator
Howcast - Learn how to add transparency to gradients with Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Apply Gradients to Multiple Objects
Howcast - Learn how to apply gradients to multiple objects with Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Work with Gradients in Adobe Illustrator
Howcast - Learn how to work with gradients in Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Edit Radial Gradient Colors with Adobe Illustrator
Howcast - Learn how to edit radial gradient colors with Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.
Curated Video
Problem solving with graphical representations
Pupil outcome: I can use my knowledge of graphical representations to solve problems. Key learning points: - When presented with a real-life problem, it can help to sketch what is happening. - A sketch can provide a visual aid for...
Curated Video
Calculating the rate of change
Pupil outcome: I can calculate the gradient and interpret this as the rate of change for real life contexts. Key learning points: - For straight-line sections of a graph, it is easy to calculate the gradient. - The gradient tells us the...
Curated Video
Estimating the gradient of a curve
Pupil outcome: I can estimate the gradient of a curved part of the graph by considering the gradient of a straight line connecting two points. Key learning points: - The gradient of a curve can be estimated. - You can estimate by drawing...
Curated Video
Checking and securing understanding of direct proportion graphs
Pupil outcome: I can identify direct proportion graphs from their features and can use the graph to create an equation to algebraically model this relationship. Key learning points: - Direct proportion can be recognised graphically. - A...
Curated Video
Different types of equations
Pupil outcome: I can recognise that there are many different types of equations of which linear is one type. Key learning points: - An equation is a statement that two expressions are equal, indicated by =. - Linear expressions can be...
Curated Video
Equations and their graphs
Pupil outcome: I can recognise the determining features of the shape of the graph from its equation. Key learning points: - The gradient of the line is determined by m when the equation is in the form y = mx + c - The y-intercept is...
Curated Video
Finding the equation of the tangent to a circle
Pupil outcome: I can find the equation of the tangent to a circle at any given point. Key learning points: - Using the gradient of the radius through a given point, you can find the equation of the tangent at this same point. - You have...
Curated Video
Parallel vectors
Pupil outcome: I can identify column vectors which are parallel. Key learning points: - Vectors are parallel if the gradient of each vector is the same. - If drawn, you can see this visually. - Parallel vectors are multiples of each other.
Curated Video
Problem solving with real-life graphs
Pupil outcome: I can use my knowledge of interpreting real-life graphs to solve problems. Key learning points: - Real life graphs present a visual model of a situation. - Linear graphs are not always the best representation. - The...
Curated Video
Finding the equation of the line y = mx + c
Pupil outcome: I can find the equation of the line in the form y = mx + c Key learning points: - Linear equations can be rearranged into the form y =mx + c. - The gradient and intercept can be identified from the graph. - The equation of...
Curated Video
Modelling with graphs
Pupil outcome: I can model real-life situations graphically. Key learning points: - Distance-time graphs tell you how far you have travelled over a period of time. - By reading the graph, you can tell if there is mistake with it. - You...