A dark bridge connects two fingers held close together even before they touch because of diffraction and the so called Black-Drop Effect [learn more: https://t.co/9EY7PbfDZq] [gif source video: https://t.co/4rGqvLB84z] https://t.co/sFcHNHnDJk

A dark bridge connects two fingers held close together even before they touch because of diffraction and the so called Black-Drop Effect [learn more: https://t.co/9EY7PbfDZq] [gif source video: https://t.co/4rGqvLB84z] pic.twitter.com/sFcHNHnDJk

— Massimo (@Rainmaker1973) November 10, 2018

from Twitter https://twitter.com/Rainmaker1973

November 10, 2018 at 06:30PM