The Collision Problem That Crippled Ethernet (And How We Solved It)

Ever wonder how computers actually talk to each other over a wire? In this episode of ScienceLive, we break it all down — starting with the earliest Ethernet networks running over coaxial cable, through the switch to Cat5 cabling, and into the fundamental building block of all network communication: the packet.

You’ll learn what packets are, how they carry your data across a network, and why early Ethernet had a serious flaw — data collisions that could bring an entire network to its knees. We explain why collisions happen and what they mean for the data you’re trying to send.

Then comes the part we’re most excited about: how my team and I discovered a solution to stop packet collisions entirely, leading to the invention of WideBand networking. In this episode we give you the teaser — next week, we’ll teach you exactly how it works.

This lesson is for anyone who wants to truly understand computer networking from the ground up — how Ethernet came about, how it works, and where it’s headed.

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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5,043 Comments

  1. Nathan

    I thought it was interesting how police try to control traffic and how we use similar ways for the internet.

    Reply
  2. Le

    Amazing science live, see you next week!

    Reply
  3. Itan

    R51s invention is pretty genius but not for some questions

    Reply
  4. Zophie

    I enjoyed this episode learning the importance and process to ethernet. Looking forward to the next episode.

    Reply
  5. Elijah

    Wow! There is a lot to learn on how we stay connected all around the world. Cool!

    Reply
  6. Carson

    I’m so glad there are so many great inventors out there!

    Reply
  7. Luke

    It is interesting to see how the cables were developed and improved upon.

    Reply
  8. Jordan

    That is wonderful you are going to review the inventions and potentially invest in them. Thank you for helping shape the future!

    Reply
  9. Molly

    Interesting to hear about how much things have improved and the issues that used to come up.

    Reply
  10. Raylynn

    The Ethernet was really interesting to here about.

    Reply
  11. Jake

    Interesting history of the ethernet. And I like him saying that the greatest inventions are often hiding under your biggest problem.

    Reply
  12. Rylee

    Amazing inventions!

    Reply
  13. Ana

    R-51 is the best

    Reply
  14. Adriana

    This episode was really great!

    Reply
  15. Caden

    i love watching science live

    Reply
  16. Caleb

    Didn’t know much about ethernet, now I do.

    Reply
  17. Nathan

    It was interesting in learning the police trick they use to get traffic flowing and how you used this idea to help ethernet work better.

    Reply
  18. Kaylee

    I love the internet and how it works.

    Reply
  19. Logan

    An interesting episode!

    Reply

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