
Yes. Yes, he's working for the government
on an infinite persistence GYROSCOPE.
The Big Bang Theory Season 10, Episode 22

Things have been going really well
with the infinite persistence GYROSCOPE.
The Big Bang Theory Season 10, Episode 19

couldn't you use those vortices
as a GYROSCOPE?
The Big Bang Theory Season 9, Episode 16

Sheldon, Howard, and I are working with
the government on our quantum GYROSCOPE.
The Big Bang Theory Season 10, Episode 11

To be clear,
Leonard's referring to the GYROSCOPE,
The Big Bang Theory Season 9, Episode 18