[00:06.822] These are the patterns of invisible waves
[00:09.375] We use today for communications
[00:13.346] Radio waves, television waves, microwaves
[00:19.878] Scientists have underdevelopment a new device
[00:23.806] Which could revolutionize men's use of light
[00:37.280] It's called a laser
[00:39.783]

These are the patterns of invisible waves
We use today for communications
Radio waves, television waves, microwaves
Scientists have underdevelopment a new device
Which could revolutionize men's use of light
It's called a laser