The Edison Effect

December 17, 2025  •  EPISODE 291

What if Thomas Edison’s greatest discovery wasn’t the light bulb? In this episode of Science LIVE, Dr. Roger Billings explores the Edison Effect and how Edison’s experiments paved the way for electron tubes and modern electronics. Discover why this overlooked breakthrough mattered then—and why it still shapes technology today.

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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5,543 Comments

  1. Isabel

    Merry Christmas, everybody have a good holiday!!

    Reply
  2. Kendall

    We love the ASL class so we can’t wait!

    Reply
  3. Landon

    Who else loves this show!

    Reply
  4. Tierra

    Happy Holidays everybody!

    Reply
  5. Joel

    Edison really did reshape the future of technology and push forward to a new era!

    Reply
  6. Gianna

    Hi from Illinois! Another great Science Live:) I’m very excited to learn about the sign language class options. Hope everyone has a happy holiday!

    Reply
  7. Brandon

    R-51 is so funny!

    Reply
  8. Levi

    I love watching science live!!

    Reply
  9. Eliza

    The new asl course is going to be an amazing opportunity!

    Reply
  10. Joshua

    I would like more r-51 please

    Reply
  11. Gracie

    Thomas Edison is a very interesting man, happy holidays from south dakota!

    Reply
  12. Harper

    I love Science so much happy holidays!

    Reply
  13. Elexis

    r51 is so funny!

    Reply
  14. Nash

    Can’t wait for the new videos in 2026!

    Reply
  15. Kehlani

    the nebula is cool wow!

    Reply
  16. Maxwell

    Edison was one of the best science minds ever

    Reply
  17. Lyla

    This week’s Science Live was intriguing! So, I guess see you next year.

    Reply
  18. Britton

    What grade do you have to be in to start taking American Sign Language?

    Reply
  19. Kayden

    R51 is sooooo funny 🤣

    Reply
  20. Birdie

    Hello from Pulaski Tennessee!

    Reply
  21. Ethan

    I loved learning about Thomas Edison and i wonder who his mentor was.

    Reply
  22. Madison

    I’ve always been fascinated by space! I’m excited to see what comes from NASA’s new telescope!

    Reply
  23. Nova

    Thomas Edison made a great impact!!

    Reply
  24. Muhammad

    You’re the best Dr. Roger Billings!

    Reply
  25. Elizabeth

    Merry Christmas and Happy Holidays everyone!! I look forward to watching more Science Live in the new year!!

    Reply
  26. Jacey

    I’ve always thought Thomas Edison invented the light bulb.

    Reply
  27. Kyng

    I love r51 happy holidays

    Reply
  28. Joshua

    The ASL class will be fun!!!

    Reply
  29. Barrett

    Always look forward to Science Live.

    Reply
  30. Lincoln

    I like Acellus

    Reply
  31. Camryn

    I love these videos, cannot wait for the ASL class.

    Reply
  32. Tuesday

    I love school! 🏫

    Reply
  33. Alba

    Merry Christmas and happy New Years to all of Acellus staff and students! Have a awesome Christmas!

    Reply
  34. Alex

    I like R51 cause he is funny.

    Reply
  35. Jager

    Wow I didn’t know that about phones

    Reply
  36. Lolaj

    We will always love R-51!

    Reply
  37. Sydney

    Happy holidays you guys!!!!

    Reply
  38. Khloe

    Perserveranced is key

    Reply
  39. Kamryn

    How did he learn all of the things he knew so he could then go on and become a genius

    Reply
  40. Devon

    Happy Holidays!!

    Reply
  41. Liv

    This episode was a great way to end this year’s Science Live! Happy holidays!

    Reply
  42. Dakota

    Science lives are my favorite part of the week!

    Reply
  43. Eli

    merry christmas and happy new year this was probably my favorite video yet!

    Reply
  44. Belden

    I love the weekly science live. Thank you

    Reply
  45. Brentan

    Thank you Acellus!

    Reply
  46. Jada

    I love the inclusivity for sign language.

    Reply
  47. Ryder

    I like the invention of the Apple phone because if you look at the phones then, you can see a huge improvement

    Reply
  48. J'lynn

    I love learning new things every week

    Reply
  49. Kayden

    I like r- 51!! Happy holidays everyone

    Reply
  50. Aliyah

    I love Acellus Live. I learn so much.

    Reply
  51. Dominic

    I love how it took a bunch of great minds to come up with the iphone

    Reply
  52. Aniyah

    Im saving up my points to get an Acellus hoodie!

    Reply
  53. Hayes

    Another great episode of Science Live!

    Reply
  54. Sophia

    where can I get the book?

    Reply
  55. Bria

    Who or what inspired Thomas Edison?

    Reply
  56. Hailey

    Thanks for making these every week! They are really informative.

    Reply
  57. Kale

    How is the new NASA telescope able to take pictures of such a wide area?

    Reply
  58. Tristan

    There should be a showing for the new telescope where the people can watch it launch.

    Reply
  59. Caleb

    Dr. Billings, it’s amazing how inventions that supposedly had no promise ended up being something we use a lot today.

    Reply
  60. Rowan

    i love r-51! cant wait for christmas and wish you a happy new year!

    Reply
  61. Ethan

    The solution for the iPhone keyboard was very interesting, I never would’ve come up with making the boxes bigger based on what it thinks you’re typing.

    Reply
  62. Caleb

    Dr. Tobias, why did they name it Project Purple? Was the name symbolic in any way?

    Reply
  63. Adonis

    I was just asking my mom who invented the light bulb!

    Reply
  64. Caleb

    Dr. John, with the new telescope, will they be able to see heat and measure temperatures on other planets?

    Reply
  65. Liam

    Thomas Edison was one smart guy!

    Reply
  66. Shekinah

    science live is the greatest

    Reply
  67. Anthony

    I am wondering how people invented the floppy disk!

    Reply
  68. Jordan

    I really thought Edison invented the light bulb.

    Reply
  69. Matthew

    Dr. Billings, R51…if anything, you were mentored by Dr. Billings!

    Reply
  70. Matthew

    Dr. Tobias, who did Steve do the demo for? Was it the public or other business people?

    Reply
  71. Matthew

    Dr. John, will scientists be able to tell water from land on the exoplanets with the new telescope?

    Reply
  72. Zuleyka

    The new telescope’s new resolution is going to be able to capture more things to study.

    Reply
  73. Damon

    Amazing Science Live, happy holidays!

    Reply
  74. Lorelai

    I love r. 51!

    Reply
  75. Payton

    Thanks for doing Science Live. I always learn something.

    Reply
  76. Abigail

    I like learning I think my favrit science live is the relay I love you DR Rogger billings

    Reply
  77. William

    It was fun watching you!

    Reply
  78. Kaleb

    It was super cool how NASA is building brand new telescope and they will launch it late 2026 or early 2027.

    Reply
  79. Daniel

    I wonder how many stars are in the Nebula

    Reply
  80. Madeline

    I love this video! 😍

    Reply
  81. Nathan

    we all love r-51

    Reply
  82. Chase

    Thanks for the Science Live!

    Reply
  83. Madeline

    I learn so much every time I watch these

    Reply
  84. Francesca

    I loved the discussion about the development of the cell phone keyboards.

    Reply
  85. Noelle

    I learned a lot about Edison and his inventions.

    Reply
  86. Allie

    This science live was cool! Happy holidays!

    Reply
  87. Corrado

    I want a wilderness survial class please

    Reply
  88. Aracli

    We love R-51. We learn and have fun with him.

    Reply
  89. Elizabeth

    HAPPY HOLIDZAYS MRS,PAJET AND MR,BILLING AND r-51 😉

    Reply
  90. Hayley

    I love R51! Merry Christmas everyone!

    Reply
  91. Elena

    I am glad R-51 is ok.

    Reply
  92. Josten

    how long did it take NASA to assemble the telescope?

    Reply
  93. Jax

    That space telescope is neat. It must be real expensive

    Reply
  94. Gracelyn

    I love science and it’s fun to listen to dr. roger billings.

    Reply
  95. Beau

    break through momments in science are my favourite

    Reply
  96. Walter

    R-51 is funny, he cannot know Eddison.

    Reply
  97. Isabella

    Happy Holidays everyone!

    Reply
  98. Ariana

    I love acellus!!!!!! so excited for the ASL class!

    Reply
  99. Faith

    ASL is my personal favorite class, I’m happy we’re getting another one.

    Reply
  100. Ashton

    Hello from Tennessee I love learning more about science in the science live! Thank you so much for doing them!

    Reply
  101. Hudson

    The engineering process for the original iPhone is really interesting!

    Reply
  102. Rosalia

    I would love it if you would do a Science Live on Nicola Tesla’s inventions!

    Reply
  103. Robert

    The Edison effect is cool! I love how he solved the problem.

    Reply
  104. Dana

    I love these science Lives. Thank you Acellus.

    Reply
  105. Peter

    Loved learning about Thomas Edison’s backstory, happy holidays! By the way tell R-51 i said hi!

    Reply
  106. Logan

    Steve Jobs made one of the best inventions.

    Reply
  107. Daniel

    Happy holidays to everyone!!!!!

    Reply
  108. Molly

    I love r-51! Hope y’all have a wonderful Christmas.

    Reply
  109. Isaias

    Science Live is so cool!!!!!

    Reply
  110. Ayden

    The space telescope is pretty cool, it’s awesome how technology has evolved, in the sense of what we can see in the sky at night. Also, congrats on the new ASL class.

    Reply
  111. Claire

    Science is the most astonishing thing to man kind

    Reply
  112. Kyle

    I’m excited for the new space telescope!

    Reply
  113. Logan

    We all love R-51.

    Reply
  114. Richard

    I LOVE SCIENCE LIVE IT’S THE BEST 😀

    Reply
  115. Cameron

    I love science live, and happy holidays!!!!!!!!

    Reply
  116. Savannah

    Phones have come a long way.

    Reply
  117. Allyson

    Happy Holidays everyone! have an amazing day!

    Reply
  118. Jozaiya

    I never realized that Thomas Edison did not invent the lightbulb but instead he was the first to make a practical one.

    Reply
  119. Elizabeth

    Cell phones looked weird . I’m glad the engineer figured out the keyboard and we have iPhones and iPads now.

    Reply
  120. Trinity

    Thomas Edison was a smart man…..Science live gives u a lot of information.

    Reply
  121. Daphne

    When did he mentor you? r 51, happy holidays and tell him he is my favorite robot.

    Reply
  122. Cheyenne

    I knew Edison was influentual but wow.

    Reply
  123. Noah

    when did Roger billings create accelus and when was rogers mentor mentored by Thomas edison

    Reply
  124. Ada

    I enjoyed learning more about Thomas Edison!

    Reply
  125. Lillie

    I can’t wait to try out the new ASL class!

    Reply
  126. Kaden

    I love watching science live!

    Reply
  127. Yaneli

    I can’t wait to start learning ASL!

    Reply
  128. Nguyen

    I have read the story about Edison and really admire his resilience and creativity.

    Reply
  129. Aaron

    I always like “Science breakthroughs” from Mr. Tobias he’s really funny.

    Reply
  130. Serenity

    this episode was great! loved learning about the Edison effect, wishing all a happy holiday! 🙂

    Reply
  131. Madison

    Thomas Edison was an amazing inventor!!

    Reply
  132. Lyla

    i love r 51 merry xmas everyone

    Reply
  133. Owen

    who taught Dr billings all of his knowledge

    Reply
  134. Anisah

    The chemistry joke was funny. I learned that Thomas Edison didn’t create the lightbulb but he was apparently the first to make one that was practical and affordable.

    Reply
  135. Abigail

    I really enjoyed this video! Science live is the best!!

    Reply
  136. Ryan

    Really enjoyed this breakdown of the Edison Effect it’s fascinating to see how Edison’s observation of electron emission from a heated filament laid the groundwork for vacuum tubes and modern electronics. It’s a great reminder that even small, curious experiments can lead to huge technological leaps

    Reply
  137. Rebecca

    Hi i love acellus and science live im 8 you are so pretty pajet monet

    Reply
  138. Jaden

    I like that Christmas song “O Chemistry, O Chemistry. Oh how I adore thee. Lol

    Reply
  139. Ho

    Edison is the most impressive inventor ever.

    Reply
  140. Carolina

    I can’t wait for the new ASL class. Also, we all love r-51♥️ can you give us some spoilers of the new Acellus, pretty, please, please please please please please pretty please pretty please please please please please please please please please pretty please pretty pretty please pretty please please please pretty please. Are they gonna be new classes or the system is gonna be new I know about the science live credit you get from watching it, but what else is gonna be new? By the way, are you gonna teach any classes or do you already teach a few classes or do you just go around being the boss of Acellus?🤨 I’m super excited for everything and it was Thomas Edison’s mentor and mentor or Thomas Edison who is his mentor.
    And what year did we start doing technology like what year did human start evolution smarter creatures. By the way, merry Christmas to all of you, students teachers, and all those people Acellus possible. Merry Christmas, your biggest fan.

    Reply
  141. Aidan

    Thank you, Acellus!

    Reply
  142. Uyen

    Thank you for this science live today. It was well-structured and easy to follow

    Reply
  143. Diana

    R-51! you are so silly!!

    Reply
  144. Aumire

    See u guys (r-51) in 2026!

    Reply
  145. Jackson

    Can Lady Pajet become R51’s mentor?

    Reply
  146. Hallie

    I love watching these every week

    Reply
  147. Desiree

    I liked how Dr. John was talking about space and planets. I also found how Dr.John was talking about NASA and how they got a new telescope and how they going to use it!!! It’s so cool to learn new things from science live!!!

    Reply
  148. Brett

    The camel that broke the straws back! Hahaha! Thanks for the laugh! Happy holidays!

    Reply
  149. Andrew

    Thomas Edison has done so many interesting things.

    Reply
  150. Paloma

    I really enjoyed learning about the development of the iphone keyboard and the Edison effect. And the new space telescope too. Looking forward to next year- Happy Holidays!

    Reply
  151. Mazie

    Merry Christmas R 51!

    Reply
  152. Gabriel

    Area-51 is always so funny!

    Reply
  153. Jameson

    Happy Holidays, and have a good new years!

    Reply
  154. Kember

    Happy holiday R-51 and lady pajet and Dr roger billings!

    Reply
  155. Carson

    Science live is so cool!

    Reply
  156. Olivia

    We are VERY very excited about the ASL course coming!

    Reply
  157. Tess

    From Georgia, Merry Christmas and a happy new year!!!!!!!!!!!!!!!!!!!

    Reply
  158. Jenna

    The joke at the start of this episode of Science Live, the one about the chemist’s favorite Christmas song made me laugh! Have a Merry Christmas and a Happy New Year!

    Reply
  159. Katelyn

    Always happy to see these lives!

    Reply
  160. Kylo

    I like science live!!!!!!!!!

    Reply
  161. Kaleb

    Science live is the best part about school on Wednesday!

    Reply
  162. Jaxon

    Hi from Missouri this week. I enjoy learning about technology. Thank you Dr Billings. Merry Christmas everyone.

    Reply
  163. Nguyen

    Thank you Dr Roger! have a nice weekend

    Reply
  164. Braylei

    I love Science Live!!

    Reply
  165. Zoe

    I LOVE SCIENCE LIVE. ITS VERY INFORMATIVE AND EDUCATIONAL!
    THANKS DR ROGER BILLINGS. HAPPY HOLIDAYS TO ALL

    Reply
  166. Nethanjah

    I loved learning more about the Edison Effect, and how it changed our world, and I am super excited to begin with my Gr. 12 studies for the year. Thank you Dr. Billings and Team Acellus for being so awesome to all us students around the world.

    Reply
  167. Abraham

    R-51 is so cool

    Reply
  168. Esther

    I like Dr. Roger

    Reply
  169. Killiana

    Thomas Edison is so cool!!!

    Reply
  170. Xander

    I learned that NASA finished building a new telescope with higher resolution. That is so cool that an I Phone engineer created a phone where it adjusted to what you were typing. It is also cool that Bill Lear which was mentored by Thomas Edison mentored Dr. Roger Billings.

    Reply
  171. Kensy

    very educational, great episode as always.

    Reply
  172. Le

    Science live is the best

    Reply
  173. Shawn

    I learned about the Edison Effect. I love science lives! Happy holidays!

    Reply
  174. Gunner

    This is Awesome! ASL is a great to course addition.

    Reply
  175. Ahlam

    ASL has been sonething that i’ve always wanted to learn. This is an amazing opportunity!!! happy holidays everyone.

    Reply

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