NASA
NASA | Laser Focus: The Receiver
To see how the Transmitter works, go here Opto-Mechanical Engineer Tyler Evans explains how the photons that bounce back from Earth are received and filtered by the ATLAS telescope. ATLAS is the primary instrument on board the ICESat-2...
Curated Video
How Centrifugal Pumps Work
This video explains how centrifugal pumps work. Centrifugal pumps are used to transfer fluids and other materials in a wide variety of applications. This video is a helpful primer on the hows and whys of centrifugal pumps, and is useful...
Curated Video
Finding the Circumference of a Circle Using the Diameter
How to find the circumference of a circle using the diameter of a circle. Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Grade 7 Common Core Topics/Standards
Curated Video
Machine Learning Random Forest with Python from Scratch - Structure
In this video, we will discuss the structures of a Random Forest, namely forest, tree, leaf node, and decision node. This clip is from the chapter "Random Forest Step-by-Step" of the series "Machine Learning: Random Forest with Python...
Let's Tute
Constructing Tangents and Chords from an External Point of a Circle
The video explains how to construct roads to reach different gates in a circular vegetable garden. It also teaches how to identify tangents and chords and construct tangents using geometry. The video provides step-by-step instructions...
Curated Video
Ordering Numbers in Scientific Notation (Part 1)
Order numbers in scientific notation.
Curated Video
Using Circle Theorems: Angle and Semicircle as a Right Angle
The video is a lecture presentation on the usage of circle theorems, focusing on angles and semicircles being a right angle. The instructor explains how to apply the theorem to find the gradient of lines on the circle, how to prove the...
Curated Video
I WONDER - What Is The Radius And Diameter?
This video is answering the question of what is the radius and diameter.
Curated Video
pump impeller basics
In this video, we're going to discuss the basics of pump impellers. You'll learn what they are, what they do, and how they work.
Curated Video
Circles and Circumference
This video lesson will review key vocabulary terms about circles and finding circumference of circles and semicircles. Students will learn how to describe a circle in terms of radius and diameter, understand the concept of pi, and find...
Journey to the Microcosmos
Why Are These Single-Celled Organisms So Large?
One day, James—our master of microscopes—was cleaning the marine tanks that some of his organisms live in when he noticed this creature. It was hard to miss given that it was visible to the naked eye, thanks to both its bright red color...
Curated Video
Phythaforas' Theorem: Finding the Circumference of a Circle
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q6, which involves chords and diameter of a circle. Learners are given some information and they need to use the Pythagorean theorem and use the...
Professor Dave Explains
Practice Problem: Calculating Ionic Radius
Different ionic compounds will adopt different lattice structures, which are essentially different geometries. If we know the lattice structure of a compound and we know some information about the dimensions of its unit cell, we can do...
Flipping Physics
Center of Mass of an Object with a Hole
How to find the center of mass of an object with a missing piece.
Curated Video
Machine Learning Random Forest with Python from Scratch - Impurity
Like all dataset characteristics, we will look at the impurities in a dataset and how they should be minimum in a good dataset. This clip is from the chapter "Random Forest Step-by-Step" of the series "Machine Learning: Random Forest...
Curated Video
Glomerular Filtration Rate - But Easier to Understand
If you want to know how well your kidneys function, a good metric to look at would be the Glomerular Filtration Rate. The Glomerular Filtration Rate is not constant. It needs to be increased or decreased depending on how much the kidney...
Curated Video
Peripheral Resistance and Blood Flow
This is an answer to a question that was asked when I did my Anatomy & Physiology Academy on how exactly resistance works when it comes to blood flow. In this video, I explain peripheral resistance in a bit more detail and how there are...
Brian McLogan
Finding the circumference and area of a circle
👉 Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Curated Video
Reporting Answers Correctly: Considering the Limitations of Measuring Tools
This video lesson teaches students how to adjust their answers based on the accuracy of measurements. It emphasizes the importance of understanding the limitations of different measuring tools and how to report answers correctly by...
Science Buddies
Circular Reasoning: Finding Pi
Mathematicians look at the world around them in terms of numbers and formulas, and now, you can discover the formula for Pi too! In this science activity you will examine circular objects and see what you can discover about their sizes....
KnowMo
Circle Theorems: Recognizing and Applying Key Rules
This is an educational video that explains various circle theorems, which are important geometrical concepts related to angles and chords in a circle. The presenter goes through each theorem and provides examples and visual aids to help...
Catalyst University
Geometry | Surface Area of a Sphere & Hemisphere
In this video, we calculate the surface area of a sphere and hemisphere [with examples].
Let's Tute
Introduction to Circles: Terminologies and Concepts
The video teaches basic terminologies and concepts related to circles, using a circular park as an example. It covers the definitions of a circle, radius, diameter, chord, secant, segment, arc, circumference, tangent, and sector. It also...