Curated Video
Identifying Cubes
In this video, workers at a Shape Warehouse learn how to identify a cube by examining its attributes. They review the characteristics of 2D and 3D shapes, and then focus on the specific attributes of a cube, including its six faces,...
Weird History
Prohibition Era | Clever Ways Booze Was Hidden
From 1920 to 1933, the United States placed a nationwide constitutional ban on the production, importation, transportation, and sale of alcoholic beverages. But that didn't stop people from smuggling booze in a variety of creative ways....
Flipping Physics
Are Linear and Angular Momentum Conserved during this Collision?
When a point particle collides with a rigid object with shape which is allowed to rotate on a stationary axis, is linear momentum of the system conserved? Is angular momentum of the system conserved? These questions are answered using...
Crash Course
Flirting With Disaster - The Importance of Safety: Crash Course Engineering #28
As engineer, sometimes lives will be in your hands, so this week we’re exploring safety and its impact on engineering. We’ll discuss the difference between occupational safety and public safety and how to analyze and review a process for...
The Cynical Historian
The 1919 Red Scare - the craziest year in American history
Many people have heard of the first Red Scare, but we should look at the year of 1919 more thoroughly. It’s probably the craziest one in American history. Ann Hagedorn, Savage Peace: Hope and Fear in America, 1919 (New York: Simon &...
Curated Video
The myth of the 19th Amendment
The suffrage movement didn’t protect all women’s right to vote. Subscribe to our channel! http://goo.gl/0bsAjO On this landmark 100th anniversary of women’s suffrage, historians Martha S. Jones and Daina Ramey Berry reflect on what the...
C-SPAN
On This Day: Prohibition
Before Prohibition, America was literally awash in alcohol, according to one historian of the topic. When the Eighteenth Amendment was enacted, loopholes allowed Americans workarounds, such as the ability to make up to 250 gallons of...
Crash Course
Women's Suffrage
Discover why some term the period between 1890 and 1920 in the United States a "women's era," a period in which women saw greater economic and political opportunities and an overall shift in gender roles. This video details women's...
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