YouTube description: You can make a movable hole in soap film with a loop of thread. It's surprising when you first see and it's fun to think about why it behaves the way it does. It's also a useful... continue reading
posted by Aard Vark (oritteropo) 5 years 1 month 1 week ago • 512 views • 6:03search results matching tag: Glenn
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YouTube description: Hi there! I'm (finally!) back with a new video explaining what is swing, a form of popular music developed in the United States that dominated in the 1930s and 1940s. The amazing... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months ago • 464 views • 2:01- 1