Generally speaking, if you fancy treating your guitar to a new color scheme you have to break out the sander, brushes, paint and more. This can take a while and involves a good deal of hands-on labor.

If you’re an avid reader or technology fan, you’re likely familiar with e-ink—a.k.a. electronic ink. Scientists and engineers from the Massachusetts Institute of Technology (MIT) developed it in 1996, ...

[Charles] wanted to put some LEDs in his guitar. He also wanted individual notes to output certain colors, but he couldn’t find any projects with tone-based algorithms to convert sound into colors.