Vacuum Tube Computing

February 4, 2026  •  EPISODE 296

How did computers go from filling entire rooms to fitting in your hand? In this episode of Science LIVE, Dr. Roger Billings and the Protégés explore vacuum tube computing and the technology that launched the digital age. Hear stories about early machines, the Billings Computer, and floppy disks as Dr. Billings shares his firsthand experiences helping shape modern computing.

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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  1. Amelya
    Amelya on February 4, 2026 at 6:54 pm

    hi from Alabama

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  2. Kristopher
    Kristopher on February 4, 2026 at 6:54 pm

    Hi from texas

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  3. Easton
    Easton on February 4, 2026 at 6:54 pm

    Good Afternoon, from Texas

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  4. Baylee
    Baylee on February 4, 2026 at 6:54 pm

    Hello my birthday was Monday I turned 17. I love science and I’m so excited for this science live. 🤯😱

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  5. Skyler
    Skyler on February 4, 2026 at 6:54 pm

    Commenthi from nebraska

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  6. Elijah
    Elijah on February 4, 2026 at 6:54 pm

    Hi from Georgia

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  7. Avi
    Avi on February 4, 2026 at 6:54 pm

    Here early from New york! I find it facinating and even insipring that people of all ages benefit from accelus. Todd edmand is my favorite teacher so im glad to be early to see this feature in the livestream. 🙂

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  8. Bentley
    Bentley on February 4, 2026 at 6:54 pm

    I can’t wait for the new Conspiracy Theory History course!

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    • Lillian
      Lillian on February 4, 2026 at 7:01 pm

      What’s up from Texas

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  9. Lillietta
    Lillietta on February 4, 2026 at 6:54 pm

    Can’t wait for this science live! Saying hello from Missouri!!!

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  10. Griffin
    Griffin on February 4, 2026 at 6:54 pm

    hello from ga

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  11. Ronan
    Ronan on February 4, 2026 at 6:54 pm

    Greetings from Oklahoma!

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  12. Patrick
    Patrick on February 4, 2026 at 6:53 pm

    hi from Missouri

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  13. Kylee
    Kylee on February 4, 2026 at 6:53 pm

    Hey from Virginia

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    • Caroline
      Caroline on February 4, 2026 at 6:59 pm

      I’m from West Virginia!!

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    • Anaceli
      Anaceli on February 4, 2026 at 7:03 pm

      I used to live in VA!

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  14. Douglas
    Douglas on February 4, 2026 at 6:53 pm

    Doug from tx *

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  15. Amelia
    Amelia on February 4, 2026 at 6:53 pm

    hi from new jersey

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  16. Emma
    Emma on February 4, 2026 at 6:53 pm

    Who enjoys watching these coming soons and courses?

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  17. Emme
    Emme on February 4, 2026 at 6:53 pm

    hi from new york

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  18. Roberto
    Roberto on February 4, 2026 at 6:53 pm

    Hello from Connecticut!

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    • Maddison
      Maddison on February 4, 2026 at 6:59 pm

      Hi from Illinois!

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  19. Colton
    Colton on February 4, 2026 at 6:53 pm

    Hello! From Nevada very excided for todays science live!

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  20. Aria
    Aria on February 4, 2026 at 6:53 pm

    Hi from ct so excited for the live today!!

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  21. Ethan
    Ethan on February 4, 2026 at 6:53 pm

    history has always been my fav subject

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  22. Jonathan
    Jonathan on February 4, 2026 at 6:53 pm

    Going over a science class in the count down of science live, nice!

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  23. Arianna
    Arianna on February 4, 2026 at 6:53 pm

    Hello from Tennessee.

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  24. M
    M on February 4, 2026 at 6:53 pm

    so excited for a wonderful science live!!

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  25. Matthew
    Matthew on February 4, 2026 at 6:53 pm

    What’s up from North Carolina!!

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  26. Daniel
    Daniel on February 4, 2026 at 6:53 pm

    Hi from Ohio!

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  27. Kahliya
    Kahliya on February 4, 2026 at 6:53 pm

    Hi from Missouri

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  28. Lucy
    Lucy on February 4, 2026 at 6:53 pm

    😀🍕Hi from Texas🍕😀

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  29. Thomas
    Thomas on February 4, 2026 at 6:53 pm

    hello from north dakota

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  30. Rylie
    Rylie on February 4, 2026 at 6:53 pm

    hi from ga

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  31. Tatiyana
    Tatiyana on February 4, 2026 at 6:53 pm

    Hi im Tatiyana from Texas😎

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  32. Seth
    Seth on February 4, 2026 at 6:53 pm

    Hi from Aledo, IL!

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  33. Nathaniel
    Nathaniel on February 4, 2026 at 6:53 pm

    hi from nc

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  34. Natalie
    Natalie on February 4, 2026 at 6:53 pm

    Hello from Texas!!

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  35. Sawyer
    Sawyer on February 4, 2026 at 6:53 pm

    Hi from Mississippi

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  36. Cyle
    Cyle on February 4, 2026 at 6:53 pm

    hi from texas

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  37. Sophia
    Sophia on February 4, 2026 at 6:53 pm

    hello im from Florida!

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  38. Christiana
    Christiana on February 4, 2026 at 6:53 pm

    Hi from Tennessee!

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  39. Kasey
    Kasey on February 4, 2026 at 6:53 pm

    Hi from california! Excited for todays video!!! 🙂

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  40. Blayne
    Blayne on February 4, 2026 at 6:53 pm

    HI, we love science!

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  41. Reisel
    Reisel on February 4, 2026 at 6:52 pm

    hi from texas

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  42. Adeline
    Adeline on February 4, 2026 at 6:52 pm

    Hello everyone! Looking forward to tonights episode!

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  43. Daycee
    Daycee on February 4, 2026 at 6:52 pm

    Hello from arkansas.

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  44. Elena
    Elena on February 4, 2026 at 6:52 pm

    Hello from Missouri!

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  45. Raven
    Raven on February 4, 2026 at 6:52 pm

    So excited for the live tonight

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  46. Case
    Case on February 4, 2026 at 6:52 pm

    thank you from kansas

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  47. Avia
    Avia on February 4, 2026 at 6:52 pm

    Hi from Ga

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  48. Lylliana
    Lylliana on February 4, 2026 at 6:52 pm

    Cannot wait for todays Science Live. Love learning what’s new in science.

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  49. Nicholas
    Nicholas on February 4, 2026 at 6:52 pm

    Hello Nicholas here From Hollywood, Florida!

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  50. Elizabeth
    Elizabeth on February 4, 2026 at 6:52 pm

    hi everyone! can’t wait for todays live!!!

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  51. Ronin
    Ronin on February 4, 2026 at 6:52 pm

    I always love tuning in to these! Also hi from Utah.

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    Gerald on February 4, 2026 at 6:52 pm

    Hi from Illinois.

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    Hunter on February 4, 2026 at 6:52 pm

    Hello from Michigan

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    Emoni on February 4, 2026 at 6:52 pm

    Hello from Texas I’m so excited for this live!!!

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  55. Alice
    Alice on February 4, 2026 at 6:52 pm

    hello again from Colorado

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    Ailey on February 4, 2026 at 6:52 pm

    Hi from North carolina!

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  57. Amiyah
    Amiyah on February 4, 2026 at 6:52 pm

    hi from tn

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    Chris on February 4, 2026 at 6:52 pm

    Hello, watching from Mississippi.

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    Dallas on February 4, 2026 at 6:52 pm

    hi from mississippi

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  60. Bella
    Bella on February 4, 2026 at 6:52 pm

    Hello from VA!!

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    • Anaceli
      Anaceli on February 4, 2026 at 7:04 pm

      I used to be in VA!

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  61. Alayna
    Alayna on February 4, 2026 at 6:52 pm

    hi from texas

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  62. Cierra
    Cierra on February 4, 2026 at 6:52 pm

    Hi from tennessee!

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    Remi on February 4, 2026 at 6:52 pm

    Hi From Dallas

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  64. Olivia
    Olivia on February 4, 2026 at 6:52 pm

    Hi from Nevada

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    Ty on February 4, 2026 at 6:52 pm

    Hi from China!

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  66. Emma
    Emma on February 4, 2026 at 6:52 pm

    Watching from the heart of Kansas!
    I can’t wait to watch this week!
    I wish I could do more than 7 courses at a time cause I would do like 10!

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    Thomas on February 4, 2026 at 6:52 pm

    Hi from Missouri!

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  68. Camila
    Camila on February 4, 2026 at 6:52 pm

    Hi from illinois!

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  69. Morgynne
    Morgynne on February 4, 2026 at 6:52 pm

    Hi from North Carolina.

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  70. Sejames
    Sejames on February 4, 2026 at 6:52 pm

    Hello from Arkansas!

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  71. Brianna
    Brianna on February 4, 2026 at 6:52 pm

    Hello from Alabama

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  72. Aaliya
    Aaliya on February 4, 2026 at 6:52 pm

    Hii from NY!!

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  73. Sophie
    Sophie on February 4, 2026 at 6:52 pm

    hi from tennesee

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  74. Ian
    Ian on February 4, 2026 at 6:52 pm

    Hi from Montana

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  75. Stephen
    Stephen on February 4, 2026 at 6:52 pm

    Good evening from Louisiana

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  76. Spencer
    Spencer on February 4, 2026 at 6:51 pm

    Excited for the video today!

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  77. Gunnar
    Gunnar on February 4, 2026 at 6:51 pm

    Happy Wednesday, excited for science live. Gunnar, TN

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  78. Sean
    Sean on February 4, 2026 at 6:51 pm

    In NC and happy to be here!!!

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  79. Riley
    Riley on February 4, 2026 at 6:51 pm

    hi from texas

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  80. Angie
    Angie on February 4, 2026 at 6:51 pm

    Hello from Georgia, this is the best part of my week!

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  81. Jasmine
    Jasmine on February 4, 2026 at 6:51 pm

    Hello from Illinois

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    Santiago on February 4, 2026 at 6:51 pm

    hello from texas

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  83. Alexander
    Alexander on February 4, 2026 at 6:51 pm

    Hi from Virginia! 🙂

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  84. Rickey
    Rickey on February 4, 2026 at 6:51 pm

    I’m really excited for this

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  85. Kiana
    Kiana on February 4, 2026 at 6:51 pm

    Hi from Louisiana!!

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  86. Kelsi
    Kelsi on February 4, 2026 at 6:51 pm

    hi from ND!!

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  87. Sadie
    Sadie on February 4, 2026 at 6:51 pm

    *Hi!! From Wisconsin, I love science live.

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  88. Lilli
    Lilli on February 4, 2026 at 6:51 pm

    hi! from tx

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  89. Aaliyah
    Aaliyah on February 4, 2026 at 6:51 pm

    hello i’m from texas

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  90. Alexander
    Alexander on February 4, 2026 at 6:51 pm

    Hi from florida!

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  91. Zoe
    Zoe on February 4, 2026 at 6:51 pm

    Made it to February! Have a great day from Texas!

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  92. Deacon
    Deacon on February 4, 2026 at 6:51 pm

    Hello from Iowa

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  93. Maddox
    Maddox on February 4, 2026 at 6:51 pm

    Howdy from Texas!!! Im feeling very happy today and super excited to see what were doing today!

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  94. Hailey
    Hailey on February 4, 2026 at 6:51 pm

    Can’t wait to see what they have in store for us this week.

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  95. Matthew
    Matthew on February 4, 2026 at 6:51 pm

    Hi from texas living in oklahoma happy to be here!

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  96. Nicholas
    Nicholas on February 4, 2026 at 6:51 pm

    Hello Nicholas from Hollywood, Florida!

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  97. Destiny
    Destiny on February 4, 2026 at 6:51 pm

    Hello from New Jersey

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  98. Felicie
    Felicie on February 4, 2026 at 6:51 pm

    Hello :). how are all of you doing today?

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    Reese on February 4, 2026 at 6:51 pm

    Watching from Hawaii

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  100. Nyelah
    Nyelah on February 4, 2026 at 6:51 pm

    Hi, I’m from Texas.

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  101. Mai`leya
    Mai`leya on February 4, 2026 at 6:51 pm

    hi from mississippi

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  102. Gage
    Gage on February 4, 2026 at 6:51 pm

    hello from NE

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  103. Gavin
    Gavin on February 4, 2026 at 6:51 pm

    I am always looking forward to watching these lives!

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  104. Emma
    Emma on February 4, 2026 at 6:51 pm

    Hello from Kentucky!

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  105. Jessi
    Jessi on February 4, 2026 at 6:51 pm

    hi from va

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  106. Annabel
    Annabel on February 4, 2026 at 6:51 pm

    HI FROM TN

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  107. Andrew
    Andrew on February 4, 2026 at 6:51 pm

    Andrew coming from Texas

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    Charles on February 4, 2026 at 6:51 pm

    Hi from Massachusetts!

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  109. Anna
    Anna on February 4, 2026 at 6:51 pm

    Hello from New York!!!

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    Olivia on February 4, 2026 at 6:51 pm

    Hi from Ohio! Hope everyone has a great night!

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    Hermione on February 4, 2026 at 6:51 pm

    Hello! Can’t wait for tonights live 🙂

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      Abiella on February 4, 2026 at 7:28 pm

      Hello from Georgia!

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    Hi from Texas!

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    Samantha on February 4, 2026 at 6:51 pm

    Hello from Louisiana!!

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    Ryder on February 4, 2026 at 6:51 pm

    Thank you for the info and the science lives here from nc

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    Avonlee on February 4, 2026 at 6:51 pm

    Hello from California! Always exited for what today’s lesson will have 🙂

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    Lydia on February 4, 2026 at 6:51 pm

    hi from north dakota!

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    Aidynn on February 4, 2026 at 6:51 pm

    Haii I’m so excited

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    Hello from Dunn Nc!!

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    Peter on February 4, 2026 at 6:50 pm

    Can’t wait for this weeks Science Live!

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    science live is awesome

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    hi from nv

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    Charlotte from NC

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    hey from new hampshire

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    Blake on February 4, 2026 at 6:50 pm

    Hi I’m Blake from South Africa, I can’t wait for this episode of science live!!!

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    Kayleigh on February 4, 2026 at 6:50 pm

    hello! from va

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    Matthew on February 4, 2026 at 6:50 pm

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    Adelyn on February 4, 2026 at 6:50 pm

    science live is soooo cool!

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    hello from Las Vegas

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    Hello from Kentucky! I am so excited to see what we learn on tonights episode 🙂

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    Regan on February 4, 2026 at 6:50 pm

    i am excited for todays science live

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    Larissa on February 4, 2026 at 6:50 pm

    Hey everybody, I hope y’all have had a great day today!

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    Heya from Maine

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    Brianna on February 4, 2026 at 6:49 pm

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    Brooke on February 4, 2026 at 6:49 pm

    cant wait for tonights episode!!

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    hello from ri!

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    Madeline on February 4, 2026 at 6:49 pm

    Hello everyone! can’t wait for tonight’s lesson 🙂

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    Hello from Nebraska

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    Isabella on February 4, 2026 at 6:49 pm

    Hello from NC, so excited.

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    Karter on February 4, 2026 at 6:49 pm

    Hi from Texas

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    Ankur on February 4, 2026 at 6:49 pm

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    Audrey on February 4, 2026 at 6:49 pm

    I’m so excited for tonight’s science live!

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    Liberty on February 4, 2026 at 6:49 pm

    Hi from Kansas

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      Asher on February 4, 2026 at 6:56 pm

      hi from Knoxville tennesse

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    Naiyla on February 4, 2026 at 6:49 pm

    Hello! From virginia and I hope everyone is doing well after the snowstorm!!

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    Blake on February 4, 2026 at 6:48 pm

    hello from va

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      Kylee on February 4, 2026 at 6:55 pm

      Hey from Virginia

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  162. David
    David on February 4, 2026 at 6:48 pm

    I am stimulated for this new Science LIVE.

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    Mckenna on February 4, 2026 at 6:48 pm

    Hello from our farm in Kenbridge, VA.

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  164. August
    August on February 4, 2026 at 6:48 pm

    I cant wait to watch! I need to see R-51! lol

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    • Ryker
      Ryker on February 4, 2026 at 7:04 pm

      Hello I’m from new Jersey I love all of my family and I’m trying to do my best in acellus

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  165. Long
    Long on February 4, 2026 at 6:48 pm

    I’m from Louisiana

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    Roberto on February 4, 2026 at 6:48 pm

    Hello from Brazil!!!

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    Emerson on February 4, 2026 at 6:48 pm

    Favorite class of the week. From Emerson.

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      Trenton on February 4, 2026 at 7:03 pm

      Hi everyone watching from Georgia

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    Jameson on February 4, 2026 at 6:48 pm

    Excited for this week’s video! I love learning new things from Science Live!

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    Hudson on February 4, 2026 at 6:48 pm

    Signing in from Indiana!

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    Alyna on February 4, 2026 at 6:48 pm

    hi alyna from texas

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    Grayson on February 4, 2026 at 6:48 pm

    Hello from Illinois

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  172. Joseph
    Joseph on February 4, 2026 at 6:48 pm

    Hi from CT, excited to watch the live!

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  173. Kendra
    Kendra on February 4, 2026 at 6:48 pm

    Hello all from Hattiesburg Ms

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  174. Dominic
    Dominic on February 4, 2026 at 6:48 pm

    Hey from VA and Happy February.

    Reply
  175. Emma
    Emma on February 4, 2026 at 6:48 pm

    hi from mississippi

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