Bouncy Liquid Metal

The video begins with the speaker discussing their recent move to a new house. They then introduce an experiment involving gallium, inspired by an online video. Initially, the experiment fails, but after adding sulfuric acid, the gallium forms perfect spheres. The speaker explains the chemical reaction, highlighting the formation of gallium sulfate, which increases surface tension. The video concludes with a preview of future projects, including a homemade laser.

What comparison does the speaker make to explain the formation of gallium sulfate?

What future project does the speaker mention at the end of the video?