NASA
NASA | RRM: The Main Event
In orbit at 18,000 miles an hour, day and night change places every 90 minutes. Darkness and light, sleep and wake: it's tough to focus on precise tasks floating outside the International Space Station. But not if you're a robot. NASA's...
Brian McLogan
What is the sum of all central angles for a circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Let's Tute
DIY: How to Make Two Types of Paper Bags
This video demonstrates how to make two different types of bags in a step-by-step tutorial. The first bag is a gift bag with a cute little bow, while the second bag is a miniature backpack with two little compartments and handles.
Brian McLogan
Write the equation of a circle given the center and a point it passes through
Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance) from a fixed point. The fixed point is called the center of the circle while the distance between any point of...
Brian McLogan
How to write the equation of a circle when center is at the origin and radius is given
Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance) from a fixed point. The fixed point is called the center of the circle while the distance between any point of...
Curated Video
Completing the Square Method for Finding the Center and Radius of a Circle
The video demonstrates two methods for finding the center and radius of a circle given its equation. The first method involves using a comparative approach by comparing the given equation to the general equation for a circle and then...
Let's Tute
How to Make an Origami Snail
In this video, viewers will learn how to make an origami snail using a 15 by 15 centimeter sheet of paper. The tutorial includes step-by-step instructions and visuals to guide viewers through the process of folding and shaping the paper...
Brian McLogan
how to identify a b and c for an hyperbola then graph
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Brian McLogan
Given the vertices and focus find the standard form of the hyperbola
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Brian McLogan
Learn how to write the equation of a circle given center and tangent to x axis
Learn how to write the equation of a circle given different pieces of information. When writing the equation of a circle you will be work from the general equation of a circle and plug in our given information such as the radius, center,...
Brian McLogan
Graph a simply hyperbola with center at the origin
Graph a simply hyperbola with center at the origin
Brian McLogan
Find the center and radius of a circle by completing the square
Learn how to graph the equation of a circle by completing the square. Completing the square will allow us to transform the equation of a circle from general form to standard form. When the equation is in standard form we can identify the...
Brian McLogan
Find the asymptotes, foci, vertices and center of a hyperbola
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Curated Video
When is the Speaking Examiner in the Best Mood?
Today you’ll discover when to schedule your Speaking Test so the Examiner is in the best mood.
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Transformations - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Learn how to graph a parabola and identify the focus and directrix vertex at the center
Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter and section. The purpose of posting my free video tutorials is to not only help students learn math but allow teachers the...
Curated Video
Baby Shark Christmas Song - ESL English for Kids - Bella and Beans
Baby Shark Christmas song - ESL English for kids with Bella and Beans. Join Bella, Baby Boo, Santa, and Munchkin, Santa's little helper as they all sing the Baby Shark song. All the lyrics appear on screen, making this a fun way for ESL...
Epic History TV
Alexander the Great Part 3
Find out why many still consider Alexander the Great to be the greatest military leader of all time. Animated maps chart the full story of his brilliant 10-year campaign across Greece, Egypt, Iran, Afghanistan and to the borders of...
ATHS Engineering
Centroid Example Problem: Upside Down T-Shaped Object
The video explains the five steps to solve a centroid problem and demonstrates how to apply them to a specific example of an upside-down T-shaped object. It covers breaking up the shape into smaller groups, calculating their areas and...
NASA
The Geocenter of the Earth Is Changing (And Why That Matters)
At the foundation of virtually all airborne, space-based and ground-based Earth observations is the TRF, or Terrestrial Reference Frame. The TRF relies on an accurate calculation of the geocenter of the Earth (the center mass of the...
NASA
NASA | We Did All That in 50 Years!
Humans have always looked up at the sky. They used astronomy to track time, orient their cities, decide when to plant their crops, and even based their religious practices on their celestial world. But there was much more to learn.
NASA
NASA | The Global Snowflake Network
Like to catch snowflakes? Try using a card instead of your tongue! Join the Global Snowflake Network for the International Polar Year. NASA Goddard Space Flight Center invites you to be a part of this special data collection effort....
NASA
NASA | Black History Month 2009: Noble Jones
Join NASA's Goddard Space Flight Center in Greenbelt, Md., in celebrating Black History Month. Each week in February, a different African-American employee from GSFC will be featured. In the opening week, two will be featured. The...