Traveling-wave tubes: The unsung heroes of space exploration

What do televisions and space exploration have in common? No, we're not talking about a cheesy physics joke; rather, this is the story of an often-overlooked piece of equipment that deserves a place in the annals of telecommunication history. Now, researchers have reviewed the history of TWTs.

from Top Technology News -- ScienceDaily https://ift.tt/2U8JZMo