Museum Preserves Gadgets
Pennsylvania's Mercer Museum houses a gadget collection dating from the Middle Ages tomodern times and includes a device for hunting turtles plus 60 types of apple peelers and mouse catchers as well. Should show students that technology does not always have to be related to electronics.
Who Are the People of America?
This 1953 video explains how the United States came to be a diversely populated nation. (10min)
Inventions of War - Plastics (2:38)
From toothbrushes to razors, plastics are found in countless household
items; however, this moldable material has played a critical role in
America's war efforts during World War Two. Nylon and other inventions are explored. It is a good video to show students to keep all their notes as they may come in handy later as well as to examine the many roles plastic technology played in the war.
Inventions of War - Orange Juice (5:03)
This video shows how scientists worked on the invention of frozen orange juices that was concentrated. A great video of the scientist who co-invented this breakthrough. Its impact it hinted at in United States households as well.
Inventions of War - Penicillin
This three minute video explains how penicillin was invented, spread, and made a difference to hundreds who were saved from infections. A general overview.
Inventions of War - Satellite (2:10)
This video explains how during the Cold War, the U.S. and the Soviet Union werein a military race on all aspects. However, it was the Russians who launched the first satellite, Sputnik. The importance of satellite is explained and the invention of the Internet is hinted at.
Inventions of War - Rockets (2:37)
Before they were part of the space race, rockets were a deadly military weapon. This video shows how the military used this technology to attack other nations and how Hitler played on Germany's fears to go to war. The video does not go into detail about how rockets work.
Differentiating with an MP3
Processing Speed Disorder
Volume of Cylinders
This instructor from BrightStorm demonstrates how to calculate the volume of any cylinder in a little over a minute.
American Labor History, Part 2
This video is one of the longer video on WatchKnowLearn and the video is licensed under a Creative Commons Attribution 3.0 Unported License. It is attributed to the Ludwig von Mises Institute and suitable for high school and older students. (01:18:03) Thomas Woods is the speaker.
The Air Force Story: The Beginning
The history of military aviation is told, beginning with balloons in the civil war through the real start of controlled flight with the Wright Brother's flyer up through the careers of Hap Arnold and Billy Mitchell. (20min)
Global Problems of Population Growth
This survey course introduces students to the important and basic material on human fertility, population growth, the demographic transition and population policy. Topics include: the human and environmental dimensions of population pressure, demographic history; economic and cultural causes of demographic change, environmental carrying capacity and sustainability. Political, religious and ethical issues surrounding fertility: infanticide, abortion, contraception, son preference, government co
Mexican mariachis assemble en masse
Nov. 23 - Hundreds of mariachi musicians gather in a Mexico City square to celebrate their patron saint Cecilia. Elly Park reports.
March of the Bonus Army - Part 1
This 9:40 long video, part of a series, shows how the Bonus Army tried to get Washington's leaders to honor their pledge to pay the money that was owed them. It can be compared to the Occupy movement currently taking place in some respects as it is a form of civil disobedience.
Magic in the Air: the Beginnings of Televsion
The early 1940s saw the promise of a new technology ready to take off - Television! But, all plans were put on hold the day the Japanese bombed Pearl Harbor. After the war, plans resumed and by 1947, regularly scheduled broadcasts began. (8min)
4.343 Photography and Related Media (MIT)
Subject combines practical instruction, readings, lectures, field trips, visiting artists, group discussions, and individual reviews. Fosters a critical awareness of how images in our culture are produced and constructed. Student-initiated term project at the core of exploration. Special consideration given to the relationship of space and the photographic image. Practical instruction in basic black and white techniques, digital imaging, fundamentals of camera operation, lighting, film exposure,
Is there a better alternative to Capitalism?
Nov. 13 - Are there any countries that have the perfect system? Arun Maira, a member of India's Planning Commission offers his take on what economic model offers the best option for growth - and for all society.
Why India's infrastructure lags
Nov. 13 - India needs more clarity of policy and speed in decision-making, the CEO of India's Infrastructure Development Finance Company tells Chrystia Freeland when asked why India's infrastructure isn't keeping pace. India, he says, is leaving money on the table.
Obama: Asia-Pacific "absolutely critical" to U.S. growth
Nov. 13 - U.S. President Obama opened a plenary session at APEC saying the vibrant Asia-Pacific region was "absolutely critical" to U.S. growth. Rough Cut (no reporter narration)