Why Do Hot Things Glow? HeadSqueeze‘s Greg Foot answers the question with a bit of animated help. There are more atoms and a diverse set of vibration videos in the archives. Thanks, John Oxton-King. This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content. Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.