Binary Decade Counter

February 18, 2026  •  EPISODE 298

How do integrated circuits actually work? In this episode of Science LIVE with Roger Billings, explore the fundamentals of integrated circuits with a closer look at a binary decade counter and how it processes and counts electrical signals.

Learn more about the Acellus Robot Dance Contest and Acellus World, coming to Kansas City in May 2026! And get ready to discover fascinating science in the natural world—from hydrophobic spiders that repel water to the surprising fact that rainbows include invisible colors beyond what our eyes can see.

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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5,570 Comments

  1. Ady

    Awesome way to explain how transistors work!

    Reply
  2. Emery

    i loved this live stream it gave me new information i never knew about

    Reply
  3. Matteo

    I like spiders it is awesome that it is on water.

    Reply
  4. Alijay

    Kelseys story was amazing!

    Reply
  5. David

    It’s crazy how tall rocket ships are and that they weigh 100 tons. Fun fact – That’s 3x longer than a mosasaurs!

    Reply
  6. Audrina

    Love this episode so much!

    Reply
  7. Tatiunna

    I do not like spiders but it was interesting.

    Reply
  8. Ousmane

    I love the protages

    Reply
  9. Mary

    Hello from Georgia!

    Reply
  10. Caleb

    I am excited about the robot. I am just learning how to get it to talk and dance in my technology class.

    Reply
  11. Brinley

    this episode was so fun to watch

    Reply
  12. Sophia

    Water spiders are very cool.

    Reply
  13. Nayeli

    I love science, I love these videos. I learn so much from them!

    Reply
  14. Damian

    Amazing loved the water spiders! They are so cool! Learning about technology and its advances is super cool.

    Reply
  15. Luke

    The Proteges are so cool.

    Reply
  16. Alexander

    learned a lot from watching this! loved it as always. Thank you so much!

    Reply
  17. Steven

    it’s so cool that some spiders like to make their homes in water.

    Reply
  18. Gwendolyn

    hi from Indiana Warsaw!

    Reply
  19. Ridley

    I want to drink the teacher serum.

    Reply
  20. Lacie

    Good job R51! He finally had a break through, too bad the Prodege’s destroyed it. Great Science Live today!

    Reply
  21. Ellie

    I was just learning about binary code in technology. Cool!

    Reply
  22. Aaron

    this is my favorite episode! Learned so much.

    Reply
  23. Carson

    Decade counters are very interesting

    Reply
  24. Nguyen

    Understanding the way how the integrated circuits work is amazing.

    Reply
  25. Waylon

    The dancing robot was awesome!

    Reply
  26. Riehl

    It is red light therapy, infrared light?

    Reply
  27. Scarlett

    I like the mini rocket ship and the golden nob where you can twist it to let more energy in.

    Reply
  28. Andrew

    I can’t belelive what 3d printers can do!

    Reply
  29. Derek

    3D printed robot is cool.

    Reply
  30. Harper

    I had never even heard of a Binary Decade Counter!

    Reply
  31. Robyn

    I loved this episode! Such an inspiration!

    Reply
  32. Danielle

    The protojetes are the best!

    Reply
  33. Elizabeth

    The 3D printed robot looked super cool. This weeks information was super interesting!

    Reply
  34. Holland

    The water spider was so neat!

    Reply
  35. Tanner

    This was so cool

    Reply
  36. Victoria

    I know this isn’t part of the science live but wouldn’t it be funny if we had like a math live like every day we have a differnt live like Monday we have math Tuesday we have ELA Wednesday we have social studies and then Thursday we are science lives and then we have Friday off.

    Reply
  37. Jiahao

    We know that how integrated circuits actually work.

    Reply
  38. Ephraim

    Absolutely awesome Dr.Billings!!

    Reply
  39. Gemma

    I love learning about circuits. Thats my favorite activity to do on here.

    Reply
  40. Dominick

    Love the robots

    Reply
  41. Alma

    Very interesting episode, thank you for another great science live!

    Reply
  42. Gunner

    The 3D printed robot was cool. I did not know robots could be 3D printed.

    Reply
  43. Promyse

    Their lessons are very funny and informative.

    Reply
  44. Promyse

    I really enjoy the new segment with the proteges. Their lessons are very funny and informative.

    Reply
  45. Trenton

    I would never have guessed it would be hottest just outside the red.

    Reply
  46. Isabelle

    This was a fun episode! Loved the song to dance to.

    Reply
  47. Mikcal

    I love science live!!

    Reply
  48. Abigail

    Great episodes once again!

    Reply
  49. Mikael

    This episode was inspiring!

    Reply
  50. Titus

    Rewatching this one again too today!

    Reply
  51. Addyson

    That 3D printed robot is awesome. I might need to get my 4-H Leader to print us one for our 4-H Club.

    Reply
  52. Ellie

    I watch this with my brother. So cool!

    Reply
  53. Kaylee-anne

    Spiders are so weird, it’s awesome.

    Reply
  54. Audrina

    I love the spider and the technology that has been developed from it

    Reply
  55. Keegan

    Love this class this the only way to learn science, thank you for another great experience.

    Reply
  56. Noah

    What part would have the most transistors in circuitry

    Reply
  57. Matthew

    Just starting and this was awesome.

    Reply
  58. Dimitris

    I’d like to see more of this.

    Reply
  59. Gracelynn

    These videos are so interesting.

    Reply
  60. Nemiah

    This is real cool learning about robots, water spiders, and cinnamon. I cant wait to see more videos.

    Reply
  61. Rylee

    Y’all always do an amazing job on these episodes!

    Reply
  62. Caleb

    How did the type of spider make a bubble?

    Reply
  63. Isabella

    I loved this episode the 3d printed robot was so cool!

    Reply
  64. Cadence

    The 3D printed robot was epic!

    Reply
  65. Rauryne

    The genius ideas he talks about is so interesting to me.

    Reply
  66. Charlyn

    Who dose the binary decade work?

    Reply
  67. Gianni

    I liked learning about the water spider!

    Reply
  68. Sophia

    I love this episode

    Reply
  69. Nora

    wow i love this video! hello from Ri!

    Reply
  70. Nathan

    love the 3D robot! awesome live

    Reply
  71. Trinity

    I wish acellus world could come closer to where I live one day. loved this live!

    Reply
  72. Mattie

    I love this episode!

    Reply
  73. Tristan

    I really liked watching ACD2 dance! That was really cool.

    Reply

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