The Vacuum Tube Diode
January 7, 2026 Ā ā¢Ā EPISODE 292
What invention helped spark the age of electronics? In this episode of Science LIVE, Dr. Roger Billings and the ProtĆ©gĆ©s break down the vacuum tube diodeāone of the earliest electronic components that made controlling the flow of electrons possible. Learn how this simple device works, why it was so important in early radios and computers, and how it laid the groundwork for modern electronic technology. Join us for a clear, engaging look at a key milestone in the history of electronics.
About DrB
Dr. Roger Billings is a visionary innovator whose work has touched the lives of millions of students and transformed the landscape of education. Widely known as āDrBā to the countless kids who benefit from his groundbreaking Acellus learning system, Dr. Billings has dedicated his life to advancing education through technology.
As part of DrBās lifelong commitment to supporting education, Science LIVE was launched as a way to āgive backā by mentoring students in conjunction with the Roger Billings Scholarship Program.
Read more about DrB Ā»Ā
About the Roger Billings Scholarship Program Ā»
How did they make the robot so small
With a robot that small, how do they not loose it
I love science
That’s insane! So cute
Thats so cool
how brittle are the components considering how small the robot is?
This was my first time joining I just enrolled and I really liked it
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That is so cool! it can swim!? That is amazing. I love science!
that is a small robot.
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i really want to take both AP and Honors when I get into High school.
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wow
Why do flowers breathe in carbon dioxide and breathe out oxygen?
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Wow that is So small!!
Wow that is really small.
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First Science Live this year!
Ready for Science Live
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I wish I could post pictures in the comments šš my dog is watching this one with me and its SOOOOO cute
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Very interesting how the tiny robot can swim!
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Happy new year! First Sience Live on 2026t
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How many classes do you have on Acellus?
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this is what i always like
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With the development of those drones, will storm chasers possibly have an easier time gathering data? Seems like a really cool opportunity for them.
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This is absolutely amazing
What was the biggest tornado ever?
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that AP reading class is very interesting, i may end up doing the class
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Thank you for sharing the AP classes information.
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such an awesome podcast
happy new year! from TN
That’s cool about the drone flying into a tornado but wouldn’t it get destroyed?
What was your favorite thing about 2025
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Howdy from texas and happy new year everyone im so excited to be back for another year of science live with Dr. Roger Billings
Comment* Let’s go first science live of 2026!!!
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Itās very interesting that anastesias design can save peopleās lifeās
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Happy New Years everyone! 1st live stream of the year!!!
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So excited when i can do higher advanced classes!
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Hello everyone I hope everyone had a great Christmas and new years
Plants can also help produce more clean air.
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Happy new year
First live of the year!
What are AP classes
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how are yall