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Espresso Media
The Western Cape Drought: A Crisis Unfolds
This video discusses the severe drought in the Western Cape region of South Africa, which has led to a significant decrease in rainfall and water reserves. The speaker, who is a government official, explains the potential long-term...
Curated Video
Understanding Price Elasticity of Demand
This video discusses the topic of elasticity, specifically the price elasticity of demand within the context of the impact of Brexit on the UK agricultural market. The video explores the concept of elasticity and how it can be used to...
Curated Video
Understanding Solubility: Factors and Interpretation of Solubility Curves
In this video, the concept of solubility is explained, including factors that affect solubility and how to interpret solubility curves. The video also discusses how temperature, pressure, and pH can affect solubility, as well as how...
KnowMo
Division of Negative Numbers
This is a lecture presentation focused on division with negative numbers. The presenter begins by explaining the concept of division and fair sharing, using examples of division with positive numbers. Then, the presenter moves on to the...
Curated Video
Understanding Sound Propagation and the Mechanics of Human Hearing
This lecture video explains how sound waves propagate, transfer from air to a solid, and how the human ear works. The video then explains how sound waves interact with solids, including reflection, absorption, and transmission. The video...
Espresso Media
Water Shortage in Cape Town: The Struggle to Survive
This video highlights the severe water shortage crisis in Cape Town, South Africa. It showcases the struggles of the people in the area to collect water and how they are adapting to the situation. The video also provides information on...
Curated Video
Calculating the Area of a Triangle using the Sine Rule
This video is an educational presentation on how to calculate the area of a triangle using the formula 1:2 ab sinC. The video provides a step-by-step guide on how to use the formula, including practical examples and a proof for the...
Curated Video
Reactions of Acids and Bases: Naming Salts and Predicting Products
The video discusses the reactions of acids and bases and how to name the salts that are formed during these reactions. The speaker outlines the various reactions that occur when acids react with metals, metal hydroxides, metal oxides and...
Curated Video
Applications of Plant Hormones in Agriculture and Horticulture
This video discusses the applications of three different types of plant hormones in agriculture and horticulture. The video also describes how these plant hormones can be used to make seeds germinate, induce flowering, and ripen fruits...
Guinness World Records
The Story of Saul: Creating the World's Largest Sticker Ball
This video is about Sticker Giant, a promotional sticker and label printing company in Colorado, and their creation of the world record-breaking sticker ball named Saul. The video highlights the process of creating the sticker ball, the...
English Tree TV
Parts Of The Face Song
Learn the parts of the face in English with this fun kids song: head, nose, mouth, chin, cheeks, ears, and eyes. Also learn the grammar “this is” Vs “these are”. Use ‘this is’ for singular nouns (one thing) and ‘these are’ for plural...
Curated Video
The Devastating Effects of Deforestation and Peat Bog Destruction on Habitats
The video is a lecture presentation discussing the topic of destruction of habitats, specifically focusing on deforestation and peat bog destruction. The speaker explains the various reasons behind deforestation, including the need for...
Brian McLogan
What are the definitions of trigonometric functions on the unit circle
👉 Learn about the trigonometric functions using the unit circle. The trigonometric function of an angle is the value of the trigonometric functions of sine, cosine, tangent, cosecant, secant and cotangent of that angle. To use the unit...
Curated Video
Calculating Rates of Change for Nonlinear Graphs
The video discusses rates of change in nonlinear graphs and the two ways to calculate the rate of change: average rate of change and instantaneous rate of change. The presenter provides examples, such as a rocket taking off and the...
Packt
Recursion Example - Factorial of a Number
This video provides a recursion-based example and explains how to get the factorial of a number.
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This clip is from the chapter "Essential Concepts - II" of the series "Data Structures and Algorithms: The Complete...
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This clip is from the chapter "Essential Concepts - II" of the series "Data Structures and Algorithms: The Complete...
Curated Video
An Introduction to Statistical Hypothesis Testing
The video is a lecture presentation on statistical hypothesis testing. The presenter introduces the concept of hypothesis testing and explains why it is necessary in scientific research. They define key terms such as null hypothesis,...
Curated Video
Extraction of Metals: Finding, Heating with Carbon, and Electrolysis
This video is about the extraction of metals. The presenter discusses how metals are found in nature, with most metals being found in compounds with other elements. He explains different methods for extracting metals from their...
KnowMo
Area of Triangles
In this video lecture, the presenter explains the concept of area and how it is calculated by multiplying two side lengths together. The focus of the lecture is on the area of triangles and how it is closely linked to the area of a...
Curated Video
Exploring the Reactions of Alkenes: Formation of Halogen Alkanes, Alcohols, and Polymers
This is a chemistry video that discusses the reactions of alkenes. The video explains how alkenes have a carbon-carbon double bond as a common functional group, and therefore they react in a similar way. The video goes on to explain the...
Curated Video
Understanding Pressure in Gases: The Effect of Volume and Temperature
This video lecture focuses on how the volume of a gas affects its pressure. It first explains how temperature affects pressure and then delves into the example of how a fixed mass and temperature of gas stored in a piston react to...
KnowMo
The Limits of Correlation: Understanding Causation and Making Predictions
The video is a lecture on the limits of correlation in statistics. The speaker discusses the importance of being careful when interpreting correlations and emphasizes that correlation does not infer causation. The video covers topics...
Curated Video
Equations of Tangents and Normals
The video is a presentation on the equations of tangents and normals in calculus. The presenter recaps the process of finding the greater function and then focuses on how to find the equation of a tangent and normal. The presenter gives...
Curated Video
Applications and Hazards of Static Electricity
This video is a lecture on the uses and hazards of static electricity, discussing the different phenomena associated with electrostatic charging. The video then goes on to explore various applications of electrostatic charges, such as...