~/talk

BubBowl: Display Vessel Using Electrolysis Bubbles in Drinkable Beverages

on YouTube 19m
Talkat UIST 2019 · 2019-10-20..10-23· [creative-coding]

speakers

name:Ayaka Ishii
links:none on file
name:Itiro Siio
links:none on file

resources

video:https://youtu.be/Lrkl8XP9BSQ
slides:none on file

summary

BubBowl is a cup-type device that generates a 10×10 pixel dot matrix on a beverage surface by electrolysis, using a PCB active-matrix with FETs for each cathode and a continuous gold foil anode. Pixels are hydrogen bubble clusters produced from conductive, colored, slightly viscous drinks (coffee, café au lait, orange juice) and consume about 0.2 mA per pixel. It supports grayscale via PWM, can fix patterns in cooling gels like grape jelly, and shows slow spontaneous fade times that lengthen with higher viscosity.

AI-written summary · about

chapters (4)

  1. 0:00Introduction
  2. 3:28Why is electrolysis
  3. 6:39Presentation
  4. 12:01Applications

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