The title says it all.
When engineers meet ants:
I think versions of this video have been around, but I thought I'd share it anyway. It definitely is a different way to think about what ants do.
Sorry folks, the video has been removed from viewing at YouTube. Here's a link to some photos that cover the same information.
And thanks to Rebecca, here's an older version:
Ants as Fluids: Physics-Inspired Biology
Micah Streiff, Nathan Mlot, Sho Shinotsuka, Alex Alexeev, David Hu
If it comes back up, I'll let you know.