The same effect is achieved when a beam of light is shone into a water droplet. Rays of light bounce off the inner wall of the water droplet over and over again, going around and around inside the ...

A different rating the Galaxy Watch 5 has for water use is 5ATM, which refers to the amount of water pressure it can undergo before water starts rushing into the openings, causing damage to the watch.

The same effect is achieved when a beam of light is shone into a water droplet. Rays of light bounce off the inner wall of the water droplet over and over again, going around and around inside the ...