The 11-Year Quest to Create Disappearing Colored Bubbles - Popular Science

The 11-Year Quest to Create Disappearing Colored Bubbles - Popular Science
Good article about persisting and overcoming the “impossible”. It’s a good success story and worth the read.
The secret to nonstaining colored bubbles, it turns out, is a dye that could unlock a revolution in color chemistry. All you need to do is make color disappear.