[Craig Shultz], a mechatronics grad student at Northwestern University, sent us a video of his group’s project from last winter: a 3D bubble display. We’ve seen some pretty impressive and ...

[Yukio Shinoda] is probably master of the LED bubble display. She started out with an idea, back in 1994, of a column of water and an array of solenoids to inject air, making patterns in the bubbles.