Here are the videos from the “Definition of a fluid – sliding OHP transparencies” demonstration. the full videos are linked from the GIF titles
Shearing a solid (book) showing finite deformation
Shearing a fluid showing continuous deformation
An index of all the demonstrations posted on this blog can be found here. Don’t forget to follow @nbkaye on twitter for updates to this blog. If you have a demonstration that you use in class that you would like to share on this blog please email me (firstname.lastname@example.org). I also welcome comments (through the comments section or via email) on improving the demonstrations.