Detailed text transcripts for TV channel - DW - 20180222:07:48:00
Shorter wavelengths in the blue part of the spectrum are able to penetrate the water more easily than red or frequencies. so as divers descend the watery surroundings appear not only darker but also more blue. the red component of sunlight is completely filtered out close to the surface. that's why red fish already appear black just board a six meters below the waves. while yellow fish can still be made out at depths of over twenty meters. and bluefish retain their color even sixty meters down. the ocean is full of particles and floating organisms which function much like fine droplets of mist...