The Vacuum Tube and the Invention of Radio
Nunca perca o fio de o que você está assistindo.
Tenha todos os filmes e séries num só lugar, continue exatamente de onde parou e saiba sempre o que vem a seguir.
Free to track · join viewers tracking what they watch on Moventra
Enredo
In today's episode of technology connections, we take a look at the vacuum tube. This simple device had tremendous implications for sound reproduction. We explore how vacuum tubes revolutionized radio, and why they were necessary to make radio practical. Vacuum tubes made possible the next advancements in sound technology.
Elenco
Your free movie & series tracker
What is Moventra?
Moventra remembers what you watch so you don’t have to. Keep a watchlist, log episodes, and discover similar titles, all in one free app.
Watchlist
Save movies and series you want to watch later.
Episode tracking
Keep tabs on every season and episode as you watch.
Recommendations
Find similar titles when something isn’t for you.
Import & export
Bring your list with you and keep control of your data.
Frequently asked questions
How do I add Technology Connections to my library?
Can I rate and review Technology Connections?
Where do I find more series like Technology Connections?
Is my Moventra data private?
Pick up Technology Connections right where you left off — on any device, for free.
Free forever, no advertisement. Pick up where you left off and always know what’s next.