(Conjoined) Twinned Rainbows

The following is the next installment in a series of posts which began with the piece, Half Guilty.

Using computer simulations, a Google software engineer (Iman Sadeghi) and a professor of computer science at UCSD (Henrik Wann Jensen) have explained the rare phenomenon of twinned rainbows where the primary bow of a rainbow splits into two. The repercussions of their findings:

We ended up pushing the edge of rainbow science.

Via CNN.