Lasers produce beams of light of varying intensity. The beam of solid laser is used to cut through a sheet of hard metal in a fraction of a second
World Book Encyclopedia
Volume L
1993
53
views
0
faves
0
comments
Uploaded on January 26, 2021
Taken circa 1993
Lasers produce beams of light of varying intensity. The beam of solid laser is used to cut through a sheet of hard metal in a fraction of a second
World Book Encyclopedia
Volume L
1993
53
views
0
faves
0
comments
Uploaded on January 26, 2021
Taken circa 1993