Is glass a liquid? Is it super cooled? Is it just flowing really, really slowly? Glas windows in very old buildings are thicker at the bottom - is that because glass is a liquid?
In this video, we discuss it.
Link to resources: https://docs.google.com/document/d/14JweRHogg3nkF3QQeyke3R0S3nsoSQrL5G4yOSyfmH8/edit?usp=sharing