Historical Dictionary of Science Fiction
A fascinating crowdsourced project. You can read the backstory in this article in Wired magazine.
Link tags: crowds
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Building Inspector by NYPL Labs
A wonderful Zooniverse-like project from the New York Public Library:
Help unlock New York City’s past by identifying buildings and other details on beautiful old maps.
Describe Me
A great Zooniverse-style project for the website of Australia’s Museum Victoria that allows you to provide descriptions for blind and low-vision people.
SETILive
This is not only the single most important human endeavour that you can participate in, it is also ridiculously gorgeous.
Science!
Star Wars Uncut: Director’s Cut - YouTube
The final amalgam of Star Wars Uncut is an absolute joy to behold. I enjoyed every single moment of this.