41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
105078
9547
2
Public Timelines
FAQ

jan 30, 1954 - Maser Developed

Description:

Machine that emits short radiowaves through ammonia gas which amplifies the waves.

Added to timeline:

4 Oct 2017
0
0
542

Date:

jan 30, 1954
Now
~ 72 years ago