![to check out
my cool new laser?
to check out
my cool new laser?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
to check out
my cool new LASER?
The Big Bang Theory Season 12, Episode 14
![in my free-electron laser
to support high voltages.
in my free-electron laser
to support high voltages.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
in my free-electron LASER
to support high voltages.
The Big Bang Theory Season 5, Episode 23
![Sheldon, I was up all night
using the new free-electron laser...
Sheldon, I was up all night
using the new free-electron laser...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Sheldon, I was up all night
using the new free-electron LASER...
The Big Bang Theory Season 2, Episode 5
![Guess who didn't get security clearance
to work on the giant space laser?
Guess who didn't get security clearance
to work on the giant space laser?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Guess who didn't get security clearance
to work on the giant space LASER?
The Big Bang Theory Season 4, Episode 7
![Ooh, Laser tag. Laser tag.
Ooh, Laser tag. Laser tag.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Ooh, Laser tag. Laser tag.
The Big Bang Theory Season 8, Episode 6