Video 1
Paul G. Hewitt is an energetic conceptual physics professor who has written text books and published many of his lectures on video. This YouTube patron posted a demo Paul Hewitt performed (it's a really cool demonstration - please take a minute to watch!)
I believe the youtube poster followed copyright because they acknowledged that the video belongs to Conceptual Physics by Paul Hewitt in the beginning of the video. They also only posted about 2 minutes worth; many of the videos of his lectures run longer so 2 minutes is most likley 10% or under. Also, the author posted a link to a website where the lectures and materials can be purchased: http://www.mandmvideos.com/, promoting the sale of Conceptual Physics' materials.
Video 2
This video was posted by the YouTube patron, minutephysics. It is a short video about Schrodinger's Cat, a quantum-mechanical thought experiment.
Since this video is the material of the YouTube patron, they have followed copyright completely. Any of one's own material can be shared as much as they want. I do have a question though: what are the usage and copyright rules regarding original material posted on YouTube? If it is the material of the person who posted it, can you consider it creative commons?
You found two really good examples (and whoa, what a crazy demo in the first one!), and your analysis of their copyright usage is great. Original material posted on youtube is the property of the patron, and the patron can decide what copyright to place on it. Most are creative commons. Some will even have the creative commons symbol in the description or in the video.
ReplyDeleteIt looks like you're very aware of copyright law, which is exactly what we want to see. Good job!