Air Powered Segment Display? [video]

Wow, this is underrated. The start of the video cuts between a few other inventions this creator made using air. They discussed using air for digital logic gates generally.

Really neat stuff I hadn’t thought about before!

If the active elements were convex instead of concave, I can imagine this being useful for people with visual impairments. How does this compare to existing technologies for braille displays?

It becomes more interesting when you couple a flexible display with it.

A whole new type of "vacuum tube"

Rocky would approve.

sometimes humans are awesome.