The new maser, not to be confused with a laser, or the millimeter wave heat ray gun, is the first of its kind. I am curious to see the future of masers. As was mentioned in the article, the old and less powerful versions were used to boost radio communications. With these more powerful versions, just imagine how far we can send signals. I can also see applications for this in other science fields, such as atmospheric science. The maser could allow for smaller volumes of atomsphere to be studied with higher power than traditional antennas.
But really, the point here is, it is just cool. It’s a superbeam of microwaves!