Hi, what do you want to do?
Curated Video
I WONDER - How Big Is Brazil?
This video is answering the question of how big is Brazil.
Curated Video
Understanding Price Elasticity of Demand for Business Forecasting
In this video lecture, the concept of price elasticity of demand (PED) is explained, which allows businesses to measure the responsiveness of the quantity demanded of a product to a change in price. The lecturer uses a graphical example...
Extra Credits
Because Games Matter - A Better Vision - Extra Credits
Sara Winters, born with ocular albinism, was legally blind for most of her early life. Game therapy helped her brain learn to make sense of the images processed by her eyes: it helped her to read, to find friends and community, and to...
Extra Credits
Simón Bolívar - Heavy is the Head - Extra History - #5
After so many failures, Simón Bolívar finally began to find success: Gran Colombia, Peru, and Bolivia all stood free from Spanish rule. He raced to found new governments and consolidate the liberty he'd earned, but resources had been...
Extra Credits
Simón Bolívar - Leavings and Returns - Extra History - #3
The failure of his first attempted revolution in Venezuela only fanned the flames of Simón Bolívar's determination to end Spanish reign over South America. Convinced that he needed to unite the entire continent in freedom, he gathered...
Curated Video
Machine Learning Random Forest with Python from Scratch - Information Gain
In this video, we will define columns for questioning and determine how much information can be gained by splitting a column.
<
br/>
This clip is from the chapter "Random Forest Step-by-Step" of the series "Machine Learning: Random...
<
br/>
This clip is from the chapter "Random Forest Step-by-Step" of the series "Machine Learning: Random...
Bozeman Science
Population Variation
Tasmanian devils are scavengers who eat dead animals including the bones and fur. A video begins with cancer in Tasmanian devils to demonstrate the importance of genetic variation. Then examples such as the black-footed ferret and AIDS...
Crash Course
The Mighty Power of Nanomaterials: Crash Course Engineering #23
Did you know that gold at the nanoscale level actually appears purple? An informative video looks at nanomaterials in engineering. Viewers learn about the properties of nanomaterials and their importance in medicine, manufacturing,...
Crash Course
The History of Chemical Engineering: Crash Course Engineering #5
The American Revolution: the catalyst for the development of chemical engineering. Scholars watch an informative video that describes the history of chemical engineering, beginning with France's need to produce soda ash as a result of a...
Crash Course
Ford, Cars, and a New Revolution: Crash Course History of Science #28
The Industrial Revolution led to technological inventions we still use today. A video presentation explains the important inventions of the Industrial Revolution. Instruction includes a thorough discussion of the advancement of the...
Crash Course
Why It's so Hard to Make Better Batteries: Crash Course Engineering #32
Better batteries may be just around the corner. Viewers of an engaging video first learn how batteries work and how charging batteries uses a reverse process. They then learn why it is difficult to make better batteries.
Crash Course
Why We Can't Invent a Perfect Engine: Crash Course Engineering #10
Your car's engine is likely to be only 20 percent thermally efficient. Why so inefficient? Viewers of the 10th video in an engineering series learn how the second law of thermodynamics and entropy limit the efficiency of a car engine....
Crash Course
How Seawater Sabotages Ships: Crash Course Engineering #43
See how the seas wreak havoc on ships. The 43rd video in the Crash Course Engineering playlist focuses on marine engineering and how ships need to protect against corrosion from seawater and from marine life. It also looks at ways of...
Crash Course
P-Value Problems: Crash Course Statistics #22
Ponder the problems of p-values. After reviewing p-values from the last video, the narrator explains some drawbacks of using p-values for hypothesis testing in the 22nd installment of the Crash Course Statistics series. The video...
Teacher's Pet
Naming and Writing Ionic Formulas
Explore the process of writing and naming ionic formulas and compounds. Pupils learn to build ionic compounds by analyzing their charges. The instructor then explains how to name the newly created compound.
FuseSchool
SOHCAHTOA - Finding Missing Angles
Apply the trig ratios to find unknown angle measures. Learners review the side and angle relationships in right triangles and then apply the ratios to find the angle measures. The video shows several worked-out examples applying all...