Radio Waves

November 12, 2025  •  EPISODE 286

How do invisible waves travel across the world and beyond? In this episode of Science LIVE, Dr. Roger Billings dives into the fascinating science of radio waves—how they’re created, how they move through space, and how they make long-distance communication possible. From the basics of frequency and transmission to early breakthroughs like Morse code and modern applications such as HAM radio and space communication, join us as we explore the hidden currents that keep us connected.

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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7,449 Comments

  1. Colton

    Acellus is awesome!

    Reply
  2. Jenna

    I would love to have an Omega Speedmaster watch!

    Reply
  3. Mckenzie

    That was so interesting about the FM/AM radio wave station. Thank you for explaining how it works.

    Reply
  4. Sarah

    Yes, on the pilot class. Sounds exciting.

    Reply
  5. Abby

    R 51 u is always a highlight of science live! Also I’m curious if we could get more art/drawing classes or even a film class? Because I’m more of an artsy person lol!

    Reply
  6. Mimzy

    I would take the class to become a Ham radio operator!

    Reply
  7. Ilana

    I think a morse code class would be awesome!

    Reply
  8. Audrey

    It was fun learning about radio waves and how they help us to communicate! Thank you for sharing.

    Reply
  9. Jonah

    Acellus is awesome!!

    Reply
  10. Jaxson

    My mom plays the radio when we are in the car. It’s cool to hear music that comes through radio waves.

    Reply
  11. Breigh

    I LOVE NASA!

    Reply
  12. Avery

    I hope that I learn more about Radio Waves during the school year they are very fun to learn about.

    Reply
  13. Isaac

    Radio waves are pretty cool!

    Reply
  14. Ashlyn

    Hearing something I learned about in my science class was super cool! Loved the Morse code section.

    Reply
  15. Ella

    I think an aircraft pilot class is an amazing idea.

    Reply
  16. Dakota

    It is crazy how strong radio waves are but we cannot see or feel them.

    Reply
  17. Grady

    There’s always something new and really entertaining with these. It’s snowing in Michigan by the way.

    Reply
  18. Francesca

    Can you talk about HF frequencies and why they are affected differently than radio waves due to ionospheric reflection.?

    Reply
  19. Dax

    I would love both classes, and I am fascinated that lasers can cool things. That is remarkable!

    Reply
  20. Paxton

    How do radio waves travel through space, and why is that important for communication?

    Reply
  21. Savanna

    R51 is such a funny character!

    Reply
  22. Nathan

    That thing about how coral makes a different color then what hits it is actually impressive, nature is so strange sometimes. Like you wouldn’t expect something as unassuming as coral to do something like that.

    Reply
  23. Isabella

    The segment of the video about how astronauts wore wristwatches in space was really interesting! I always enjoy when they teach us about outer space.

    Reply
  24. Ryne

    I think it is so crazy that radio waves are able to have so many different frequencies constantly being emitted and yet we can still tell which device is communicating with which.

    Reply
  25. Hannah

    I never noticed the watch when learning about the Apollo missions. That is really interesting.

    Reply
  26. Sydney

    Is the Omega watch still sold today?

    Reply
  27. Chloe

    Radio Waves are so interesting!

    Reply
  28. Victoria

    i love this show!

    Reply
  29. Tucker

    Good show, Radio waves are much more exciting than I thought.

    Reply
  30. Ally

    This might be one of my favorite episodes

    Reply
  31. Emmalyn

    How hard is it to be a radio announcer?

    Reply
  32. Talia

    Wow! I thoroughly enjoyed this lesson, I learned a lot about the importance of radio waves that I didn’t know before!

    Reply
  33. Johnathan

    r51 is funny

    Reply
  34. Charlie

    I love science live.

    Reply
  35. Noah

    I love Acellus! what an amazing school.

    Reply
  36. Aizzy

    I had no idea the Snoopy Award was a thing, but I’m glad he’s such a well-loved character.

    Reply
  37. Madeline

    I think the pilot course would be a really good course idea.

    Reply
  38. Annaliese

    I never thought about time and NASA. It is pretty neat how they tested the watches for travel.

    Reply
  39. Lilly

    Love it !!

    Reply
  40. Vada

    How are morse code messages sent? Is it sound, or dots and dashes written on paper? I am really fasinated by Morse Code.

    Reply
  41. Zabian

    I enjoyed learning about the role of time in the moon landing!

    Reply
  42. Julia

    I would love there to be a pilot class, that would be so cool!

    Reply
  43. Elena

    This was really helpful. Thank you.

    Reply
  44. Owen

    Radio Waves are neat.

    Reply
  45. Mn

    It would be really cool to have a Morse code class!

    Reply
  46. Paishence

    Area 51 was hilarious!!

    Reply
  47. Savanna

    I love Acellus

    Reply
  48. Henley

    My great grandfather worked for NASA. He was an engineer.

    Reply
  49. Gary

    What is the longest radio wave range ever recorded?

    Reply
  50. Tristan

    Acellus is amazing!

    Reply
  51. Olivia

    thank you guys for doing all of this!!!!!!

    Reply
  52. Liliana

    The idea of studying a little bit daily instead of cramming everything at once sounds really beneficial and way less stressful.

    Reply
  53. Aspen

    Being an astronaut back then looks a bit hard.

    Reply
  54. Peyton

    This was an amazing science lesson!

    Reply
  55. Asher

    i want the pilot class

    Reply
  56. Braxton

    I think a morse code class would be interesting.

    Reply
  57. Matthew

    I want the Radio Class.

    Reply
  58. Nathan

    How old is Acellus?

    Reply
  59. Amina

    Watching from Maryland! I loved learning about Radio Waves, and I have more info on the Radio! I am a big fan of the 1920’s, which is when the radio came out and became a turning point in history.

    Reply
  60. Jasmine

    I didn’t know laser could cool down things.

    Reply
  61. Mia

    is our 3d printer a laser?

    Reply
  62. Astrid

    Would love a radio or M-Code class!

    Reply
  63. Arjuna

    This was amazing!! I can’t wait for the one next week!!

    Reply
  64. Giovanni

    Radio waves are really interesting

    Reply
  65. Keira

    The radio stuff was really cool

    Reply
  66. Ellie

    I know radio waves are invisible but are there chemicals or a type of light that would make the waves visible?

    Reply
  67. Manuel

    NASA is so cool!

    Reply
  68. Landon

    When they communicated with mars it made me laugh

    Reply
  69. Adlynn

    Pilot class?!?! How cool!

    Reply
  70. Alexander

    Hello from MAINE, I love Science Live. It is always a good way to learn something new and have fun.

    Reply
  71. Collin

    I love lasers I didn’t know they were this cool 😄

    Reply
  72. Yessamine

    Loved the appearence of R-51 at the end of the video!

    Reply
  73. Elizabeth

    I find it so interesting and so cool that humans were able to make/understand radio waves!

    Reply
  74. Savannah

    Hey! I absolutely LOVE snoopy and charlie brown, so i REALLY enjoyed what you had to say Tobias!!!

    Reply
  75. Rose

    Thank you for the science lives!!!

    Reply
  76. Jordan

    What part of the electromagnetic spectrum do radio waves belong to, and what are they commonly used for?

    Reply
  77. Corban

    we saw the Northern Lights last week in Colorado!

    Reply
  78. Lucas

    I learn so much more with homeschooling like acellus than public school! Like height affects radio towers? Lasers can cool computer chips?!

    Reply
  79. Jamori

    I want to go to Nasa!

    Reply
  80. Briella

    Thank you for telling us about morse code.

    Reply
  81. Gracie

    It is so cool that the Omega watch was the first watch to make to the moon.

    Reply
  82. Mary

    I hope everyone has a great week!

    Reply
  83. Nick

    R51 is my favorite

    Reply
  84. Henry

    How expensive are spaces suits?

    Reply
  85. Karly

    Yay Acellus!

    Reply
  86. Carson

    Yes, yes, yes, to a ham radio class! Soooooo cool! I like the r51 did it t-shirt the best and who knew lasers can cool too. Mind blown!

    Reply
  87. Mia

    I had no idea that consistently studying daily could improve both intelligence and memory to such a drastic degree. I hope to improve my routine to something similar in the near future!

    Reply
  88. David

    A morse code class sounds interesting.

    Reply
  89. Anna

    Why haven’t we gone back to the moon?

    Reply
  90. Scott

    i would like to learn more about Morse code. it seems very intereting.

    Reply
  91. Michael

    The live is incredible. Very descriptive With R51 and ofc the cast humor boosting all of this. Till next live!!

    Reply
  92. Patryk

    I was wondering, is there any cool tech classes that Acellus offers for high schoolers.

    Reply
  93. Kennedi

    Loved this lesson! Acellus is amazing!!

    Reply
  94. Hudson

    I wish Dr Tobias was a teacher. He is so funny.

    Reply
  95. Natalie

    I like the Omega Watch I think it’s cool

    Reply
  96. Anna

    Radio Waves are so cool!

    Reply
  97. Beau

    LOVE IT SOOOOOO MUCH

    Reply
  98. Jayson

    I liked when Dr John talked about coral.

    Reply
  99. Mavrick

    I loved the Spongebob time card “A few moments later”.

    Reply
  100. Aaron

    What does LASER stand for?

    Reply
  101. Evan

    I find the story of the Omega Watch going to space quite interesting, along with the Snoopy Award.

    Reply
  102. Braydon

    I like when Dr. Tobius talked about watches.

    Reply
  103. Charlotte

    I ready enjoyed the talk about the watches being tested for NASA. I like watches and the snoopy watch would be a great addition to my watch collection!

    Reply
  104. Ian

    i never knew about the Snoopy Award!

    Reply
  105. Ava

    Radio waves are so interesting to learn about!

    Reply
  106. Temperance

    I think it was interesting how the Omega watch helped the astronauts return to earth. The Snoopy Award is an amazing accomplishment!

    Reply
  107. James

    does nasa still give out the snoopy award?

    Reply
  108. Trinh

    Radio waves are invisible waves that sneak through the air to bring us music, shows, and chats

    Reply
  109. Aryana

    Morse code is interesting!

    Reply
  110. Dream

    I learned about Radio Waves

    Reply
  111. Oliviahna

    That’s kind of funny that the video was talking about planes because my brother is getting his private pilots license after this summer. It was also cool how Dr. B said that he had a radio tower when he was a teen, because my Memaw and my dad just sold 2 radio towers. LOL 🙂

    Reply
  112. Christine

    I’ve started doing scheduled study sessions and it really helped me learn faster and easier.

    Reply
  113. Nireya

    Really like the omega watch lecture.

    Reply
  114. Jayden

    Radio waves are very fascinating, I enjoyed this episode!

    Reply
  115. Gia

    I am curious about radio waves. how are radio waves different from other types of electromagnetic waves?

    Reply
  116. Jyelle

    I would love to have a radio class

    Reply
  117. Bella

    THE SNOOPY AWARD STORY WAS AWESOME!

    Reply
  118. Porter

    How exactly are radio waves generated — what physical processes create them?
    What determines the frequency of a radio wave, and how does that affect its use in communication?
    How did early inventors use radio waves (like with Morse code), and how is that different from how we use them today?
    What are some of the biggest challenges or limitations when sending radio waves over very long distances (like to satellites or space)?

    Reply
  119. Landyn

    I liked learning about how the cooling laser works. I love Acellus!

    Reply
  120. Noah

    This is the best version of school its fun and cool

    Reply
  121. Theodore

    #science live rules!!!!!!!!!!!

    Reply
  122. Natalie

    Thanks for a great Science Live!

    Reply
  123. Joshua

    Acellus is the best

    Reply
  124. Gabriel

    A pilot class would be awesome! I would love it! Overall great lesson.

    Reply
  125. Oliver

    I have the same climbing lizard that R51 had at the end of the video!

    Reply
  126. Xavier

    I like the creature from Mars.

    Reply
  127. Lilinova

    I like 51’s radio call to Pajet’s planet.

    Reply
  128. Elijah

    it was very cool learning about radio waves i always wonder how they worked

    Reply
  129. Jacqueline

    Always a blast to watch this!

    Reply
  130. Hannah

    I really like learning something new every week on science live!

    Reply
  131. Noah

    My favorite part was when Roger Billings explained morse code in a far simpler way that I do around -37:10.

    Reply
  132. Noah

    I thought it was cool that diamonds are going to be used as materials for the next generation of semiconductors

    Reply
  133. Grace

    Can’t wait to try those study techniques!!

    Reply
  134. Isabel

    How much did the ham radio cost in today’s money?

    Reply
  135. Maksim

    Are the watches used for the astronauts still available to buy.

    Reply
  136. Noah

    It was so funny when Area 51 communicated with Mars

    Reply
  137. Tyler

    That is so cool NASA gave the snoopy award.!!!!!!!! I need to watch the peanuts after school!!

    Reply
  138. Harper

    Rewatching this because it’s so amazing!

    Reply
  139. Isabella-kay

    I’d love to learn morse code!

    Reply
  140. David

    how were scientists able to discover they were able to use lasers to cool down computer chips

    Reply
  141. Alvin

    All those letters in Morse code are cool! Does Morse code also do numbers?

    Reply
  142. Parker

    I think that people who go to the moon are brave.

    Reply
  143. Brooklyn

    I LOVE SCIENCE LIVE 🩷🩷🩷

    Reply
  144. Logan

    Tech Talk was really cool, between the florescence of the ocean animals and the lasers. Awesome.

    Reply
  145. Adelyn

    science is so fascinating

    Reply
  146. Kole

    Lasers are neat.

    Reply
  147. Crosby

    Whats the estimated age of earth?

    Reply
  148. Cooper

    It is cool to know that the Omega watch company made a watch that could be worn by astronauts!

    Reply
  149. Kaylann

    I actually know how to read Morse code because one of my favorite games requires you to figure out Morse code!

    Reply
  150. Nora

    I want to work for Nasa

    Reply
  151. Rose

    never thought that lasers could cool something down!

    Reply
  152. Raaed

    I think the way that morse code works is very cool.

    Reply
  153. Kryslee

    I like the laser part

    Reply
  154. Noelle

    I love learning about radio waves, thank you

    Reply
  155. Ruby

    I would like to do ham radio. I think it would be fun. thank you very much.

    Reply
  156. Danica

    Dr Billings is a genius!

    Reply
  157. Orlando

    Learning about radio waves was amazing !

    Reply
  158. Timothy

    What exactly is a semi conductor? And how would diamonds help? Wouldn’t that make theme expensive?

    Reply
  159. O`riyan

    Acellus is cool.

    Reply
  160. Emmett

    I like the t-shirt designs that were chosen.

    Reply
  161. Raynor

    i laughed out loud on that video where area 51 communicated with Mars. It was very funny! I learned that lasers can cool items like computer chips!

    Reply
  162. John

    The call when area 51 with mars was so funny, especially when mars said that they were waiting for Elon Musk to save them. SCIENCE LIVE IS SO FUNNY!

    Reply
  163. Oliver

    Acellus is awesome!!

    Reply
  164. Patrick

    I found this very interesting. I would love to learn more, and would love a radio class.

    Reply
  165. Coulter

    I really liked this video! I think that a pilot course would be cool!

    Reply
  166. Kaylann

    I think it’s awesome that they still give the Snoopy award out!

    Reply
  167. Codey

    It’s so interesting how communication has evolved due to the research of how different radio frequencies travel through space!

    Reply
  168. Kaan

    Other than communicating what can the radio waves be used for?

    Reply
  169. Rhianon

    Radio waves are so fast!

    Reply
  170. Damian

    it’s really instresting and a really helpful tip about how to study and the way of retaining informations. It’s really awsome to learn about radio waves.

    Reply
  171. Emberlyn

    Wow!

    Reply
  172. Leila

    R51 is so funny.

    Reply
  173. Ella

    This was a cool one!

    Reply
  174. Bobby

    I literally couldn’t wait for this episode! I love learning about different types of things such as radio waves and x-ray waves and stuff like that. Thank you for putting this here.

    Reply
  175. Aria

    My favorite part technology spotlight

    Reply

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