Heads up, science lovers: after decades of struggle, the world’s first practical maser has been built! What’s a maser, you ask? It’s like a laser, except instead of light, it produces a coherent beam of microwaves! Aaaah!
Masers have been around for over 50 years, but they needed special conditions (such as extreme cold) to work. Even then, the old masers still did not produce much...
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