Vacuum Tube Computing

February 4, 2026  •  EPISODE 296

Join Roger Billings, a technology thought leader and innovator, as he draws from his diverse range of life experiences, inspiring students of all ages to love science and to understand the value of education in empowering their life missions.

This highly motivational and informative lecture series, hosted by the International Academy of Science, is part of the Roger Billings Mentoring Scholarship. 

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 “DrB” 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 DrB’s lifelong commitment to supporting education, Science LIVE was launched as a way to “give back” by mentoring students in conjunction with the Roger Billings Scholarship Program.


Read more about DrB » 
About the Roger Billings Scholarship Program »

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3,299 Comments

  1. Eleazar

    I liked how funny it was and it was about people from the past that made tech and 1’s and 0’s

    Reply
  2. Trista

    I loved learning about the flight to the moon!

    Reply
  3. Addison

    Wow! This was really interesting to learn about!

    Reply
  4. Jaxon

    This was a really cool episode

    Reply
  5. Rigsden

    I can’t wait for Acellus world this year. Last year was a lot of fun!

    Reply
  6. Adilynn

    Hi from MS. I really liked today’s live.

    Reply
  7. Alexandria

    Its kind of funny how the smallest things can make the biggest difference in things like computers.

    Reply
  8. Colton

    I like the info on the binary codes with the 1 and 0.

    Reply
  9. Rose

    hello from va! #acellus

    Reply
  10. Piper

    r51 so funny

    Reply
  11. Jocelyn

    So interesting how the start of binary and computers started.

    Reply
  12. Carter

    hello from Virginia

    Reply
  13. Jack

    Epic Science Live as always!

    Reply
  14. Kiattikorn

    Lots of things on computers today!

    Reply
  15. Brayden

    I found vacuum tubes interesting.

    Reply
  16. Viego

    I love todays science live, I had fun learning about computers.

    Reply
  17. Andrew

    I really want to get into tech after graduation.

    Reply
  18. Nathaniel

    Computers always confuse me but each time they talk about them on science live, I gets a little bit easier!

    Reply
  19. Grace

    Thanks for another great video as always from Illinois.

    Reply
  20. Austynn

    That new carbon dioxide form sounds really interesting!

    Reply
  21. Izabella

    Hope you get your voice back DR. Tobias 😊. The computers are a lot fun to learn about.

    Reply
  22. Zander

    Binary is the language of computers….awesome!

    Reply
  23. Charlee

    reply if you love science live!!!!!!!!!

    Reply
  24. Kyle

    Hi From Namibia

    Reply
  25. Zander

    I had no idea that computers had their own language.

    Reply
  26. Baylee

    Awesome video, I love learning about technology!

    Reply
  27. Adnan

    R51 LOL

    Reply
  28. Aiden

    Even the smallest details matter when dealing with computers, one error could be change everything.

    Reply
  29. Yuber

    Why do they call them pixels?

    Reply
  30. Tanorris

    i love acellus

    Reply
  31. Eli

    here from florida

    Reply
  32. William

    Love today’s video it’s so cool we get a science live every week

    Reply
  33. Grady

    science live is cool

    Reply
  34. Glen

    Why did he make a vacuum chamber?

    Reply
  35. Jacob

    Sattelites are so cool. I never knew that they needed the sun to even function.

    Reply
  36. Lane

    What is the moon made out of?

    Reply
  37. Dixie

    These videos always teach me something new, like a micro current turning on a radio

    Reply
  38. Alvin

    SO COOL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  39. Makiah

    ready to learn about computers

    Reply
  40. Jocelyn

    Really cool that a woman and her daughter actually made such a huge difference in the moon landing!!

    Reply
  41. Casey

    Computers really have evolved a lot over the years! Its interesting to think about how they’ll keep evolving as time goes on. Really good episode, can’t wait to learn more!

    Reply
  42. Caiden

    This video was interesting and I did not know a lot of the history of the technology we use today.

    Reply
  43. Casey

    Computers really have evolved a lot over the years! Its interesting to think about how they’ll keep evolving.

    Reply
  44. Gunner

    Watching from GA!

    Reply
  45. Lila

    I would find it hard to weave wires

    Reply
  46. Aslynn

    I love science lives and r-51

    Reply
  47. Ahmed

    i like scince live so much

    Reply
  48. Emma

    I love learning technology and science
    🧪

    Reply
  49. Heba

    hello from saudi

    Reply
  50. Kemya

    Amazing the technology progress throughout time

    Reply
  51. Abigail

    I can’t believe that electronics only use 1s and 0s.

    Reply
  52. Daisy

    Technology gets a little confusing for me so these videos really help me out alot

    Reply
  53. Ella

    hello from NH!

    Reply
  54. Amelia

    I love science live!

    Reply
  55. Ben

    wow I did not know computers are that complicated.

    Reply
  56. Sawyer

    Listening from NC

    Reply
  57. Renah

    Watching from Minnesota.

    Reply
  58. Charles

    “Error” codes never give a good feeling. But glad the team had planned for that.

    Reply
  59. Landon

    I never knew technology had so much work put into it. I use a tablet all the time and never thought about how they are made and how they actually work. It’s very interesting.

    Reply
  60. Tamra

    Amazing and funny live as always!!!

    Reply
  61. Shilo

    Its crazt to think about how computers worked back then versus nou!

    Reply
  62. Ronnie

    This live is very interesting, I enjoy watching it every week!

    Reply
  63. Cole

    Love science lives! Clearing about technology in computers is awesome

    Reply
  64. Jacob

    The evolution of radios is so fascinating.

    Reply
  65. Maxim

    I can’t believe that people are actually thinking about sending AI into space, after seeing a picture from Singapore!

    Reply
  66. Paige

    The evolution of computers was interesting to learn about.

    Reply
  67. Dylan

    The way technology has progressed overtime is very crazy to think about and impressive for all the scientists that make it better everyday.

    Reply
  68. Kendra

    Science is awesome!

    Reply
  69. Mia

    So excited to watch Science Live !!!!!!!!

    Reply
  70. D`neil

    hello world of accelus.

    Reply
  71. Nicholas

    Technology is amazing!

    Reply
  72. Kyran

    Computers are so cool!

    Reply
  73. Leilani

    I love coming to science live every week. I always learn something new, it’s always exciting to see the new things being invented.

    Reply
  74. Dimitri

    good morning from Kankakee IL.

    Reply
  75. Sebastian

    Another great video from science live

    Reply
  76. Sawyer

    I loved the Binary codeing! Can’t wait for next week

    Reply
  77. Mark

    Why is getting to the moon so hard

    Reply
  78. Eden

    The computer part was the coolest!

    Reply
  79. Logan

    I love learning about old and new technology, and how it has changed.

    Reply
  80. Isabella

    Wow! That is so cool we can use hydrogen like that!

    Reply
  81. Canaan

    Excited to learn something new today!

    Reply
  82. Brooklyn

    Hi from Illinois!

    Reply
  83. Kathleen

    Science Live for the win…Again!

    Reply
  84. Titus

    I love science live

    Reply
  85. Cristhian

    Definitely my favorite episode, I love computers!!! 😁

    Reply
  86. Daniel

    hot diggity dog two minutes and seventeen seconds thats the best time yet. what no drink? that is my favourite part.

    Reply
  87. Landon

    Computers are so cool!!!

    Reply
  88. Bobby

    Vacuum tube computing refers to the first generation of computers 1940s mid 1950s that used vacuum tubes instead of transistors to process and switch electrical signals. Just a little that i know. 👍

    Reply
  89. Easton

    I love science live!

    Reply
  90. Christopher

    Hello from New Jersey

    Reply
  91. Maria

    Thank you for the lecture!

    Reply
  92. Kenlee

    My mom got to see a data center when Centurylink was her customer. She said it was very cool.

    Reply
  93. Serenity

    Learning about computers is so interesting

    Reply
  94. Name

    That was so interesting and fun!!!

    Reply
  95. Faith

    should have listened to Margret lol !! The small details change everything and can make or break a situation. And teaches you to have a back up plan.

    Reply
  96. Laila

    R51 is so funny 🙂

    Reply
  97. Lilly

    This video taught me all about computers!

    Reply
  98. Charles

    I’m just thinking of the trouble when something breaks when in space! It would take a long time to get someone there to fix it….. wouldn’t it?

    Reply
  99. Timothy

    Here from Ky the video was great to watch

    Reply
  100. Madalynn

    Listening in from AL 😁👍

    Reply
  101. Meagan

    The pile of codes were stacked so high and the fact that they did them all by hand is very impressive.

    Reply
  102. Brianna

    It was fun to learn about new technologies!

    Reply
  103. Trevor

    The video taught me that small details matter in computers just like tuning radio even a small change can affect the whole system

    Reply
  104. Dakota

    I loved this video because I find computers and the technological and coding aspect of them super interesting!

    Reply
  105. Autumn

    LOVE SCIENCE LIVE ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

    Reply
  106. Corbin

    if you code in 1s and 0s could’nt you make a robot that can see and feal?

    Reply
  107. Kaden

    I like how they talked about how they thought of putting data stations in space to keep them cool and use less water.

    Reply
  108. Timothy

    Why did AI become so huge

    Reply
  109. Logen

    Technology is really cool and amazing

    Reply
  110. Timothy

    I like computers and learning about them

    Reply
  111. Phoebe

    Computers are so cool you can do so much.

    Reply
  112. Nguyen

    What if one lecture could change how you see science, education, and your life’s mission?

    Reply
  113. Timothy

    it was cool to learn about computers cause this is probably where the world is heading especially because of AI

    Reply
  114. Priya

    Hi from texas. The evolution of computers is really cool

    Reply
  115. Josiah

    Love the way you included a model of the circuit helped my understanding very greatly!!

    Reply
  116. Lincoln

    The Proteges are cool! I like vacuum tubes.

    Reply
  117. Jacob

    Didn’t realize how small things change so much in technology, great week!

    Reply
  118. Ann

    Scientists are one of the people that make a huge difference to the world!

    Reply
  119. Nguyen

    It was amazing learning about computers!

    Reply
  120. Nylani

    What is AI made of

    Reply
  121. Charles

    Meeting the teachers we see on the videos would be awesome!

    Reply
  122. Kali

    Hello from NE!!

    Reply
  123. Abigail

    i didnt know computers were do detailed

    Reply
  124. Raegan

    I loved learning about computers and technology in this Science Live.

    Reply
  125. Kayli

    Wow that is awesome 👍🤩

    Reply
  126. Timothy

    My name is Timothy and do you think computer system will become more advance?

    Reply
  127. Ezra

    Here from ND!

    Reply
  128. Aleah

    This episode was so funny! Thank you Acellus! Low key love the Smeagol impersonation!

    Reply
  129. Jayla

    Acellus science live is always super fun!

    Reply
  130. Amaya

    Keep up the hard work! I love Science LIVES!

    Reply
  131. Emilia

    I love learning about technology it’s so cool!

    Reply
  132. Claire

    I love that students are so involved in the Science Live, it feels so authentic and it’s always a blast to watch! Thank you for teaching me something new.

    Reply
  133. Alex

    I really enjoyed science live this week.

    Reply
  134. Kaylin

    Hello from Iowa!

    Reply
  135. Anthony

    The technology process is always so amazing

    Reply
  136. Serafima

    Hello from Florida!!

    Reply
  137. Skylee

    learning about bits and peices of computers was quite interesting

    Reply
  138. Riley

    What problems do computers have because they use vacuum tubes?

    Reply
  139. Nguyen

    Hey! Human computer???I think I need to watch again

    Reply
  140. Aryonnah

    computers are so intensive, its cool to learn how little things can change things so easily

    Reply
  141. Mckenna

    Understanding many simple parts that make a computer helps us understand the entire system. This is a smart way of thinking about lots of topics.

    Reply
  142. Bo

    I love how computers work they are incredible!

    Reply
  143. Michelle

    I really enjoyed the science live

    Reply
  144. Ana

    The video taught me that small details matter in computers just like tuning radio even a small change can affect the whole system

    Reply
    • Savannah

      Science Rocks!

      Reply
    • Joseph

      The Star ship rocket is very cool

      Reply
  145. Mia

    I love learning about technology, especially computers. I think they are so cool!

    Reply
    • Keiara

      amazing progress with computers

      Reply
  146. Leelou

    Amazing the technology progress throughout time

    Reply
  147. Jaden

    Listening in from Tillamook OR

    Reply
  148. Owen

    Do computers use this same principal in subtraction?

    Reply
    • Zephaniah

      Wow just wow

      Reply
  149. Kaidence

    Computers are so awesome.

    Reply
  150. Mikaylin

    Love r51 lol

    Reply
  151. Faith

    This was a really entertaining episode, might’ve been my favorite one yet!!

    Reply
  152. Andrina

    Computers are so cool thank you for this video!

    Reply
  153. Haddi

    North Carolina here!!

    Reply
  154. Briella

    Hi, Briella from California.

    Reply
  155. Adela

    Just finished! So cool XD

    Reply
  156. Iyzaiyah

    Its so interesting that computers uses 1 and 0

    Reply
    • Raven

      It’s called the binary system you use a table to decode the 0’s and 1’s. The table consists of the numbers 16, 8, 4, 2, 1. 1 means on or add the number on the table and 0 means off.

      Reply
  157. Luis

    I LOVE THESE VIDEOS!!! I love learning about computers! and Tobias jokes about staying focused ahahahah! that’s a super silly one heeheee! God bless

    Reply
  158. Analia

    Science is so cool

    Reply
  159. Mikaylin

    It’s crazy how all this technology works now!

    Reply
    • Farhiya

      So interesting! I learned so many new things!

      Reply
  160. Aaralynn

    Wow computers are amazing!

    Reply
  161. Zion

    Comment It was so cool to learn how far computers have come. Also it would be neat to build an electrical board

    Reply
  162. Xelena

    I wish I can go to science live in person that is cool I am going to watch the live broadcast

    Reply
  163. Grace

    The evolution of computers is truly astonishing

    Reply
  164. Maci

    Fun live can’t wait for next week!

    Reply
  165. Aubree

    Very Cool science live!

    Reply
  166. Dean

    thank you for teaching us again dr.billings

    Reply
  167. Zachary

    I love acellus.

    Reply
  168. Alana

    Thank you for a great science live!

    Reply
  169. Greycen

    I thought it was interesting that computers use so much power to do lots of things.

    Reply
  170. Kamren

    computers are cool

    Reply
  171. Eli

    I think the history of computers is very interesting. I didn’t understand it that much because it was hard to process and got too complicated. I thought it was cool that computers have their own language and I didn’t know that the vacuum tube related to computers.

    Reply
  172. Colton

    Computers are awesome and i love how they changed over time.

    Reply
  173. Ellena

    it was cool to learn about computers and the they operate

    Reply
  174. Mekhi

    This was a good one.

    Reply
  175. Ace

    R51 is hilarious!

    Reply

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