Tuned Radio
January 28, 2026 • EPISODE 295
How do radios tune in to specific stations? In this episode of Science LIVE, Dr. Roger Billings explores the tuned radio—how circuits are adjusted to select particular frequencies so we can hear one station clearly among many. Learn why tuning is essential for radio reception and how the first wireless radio signal crossed the Atlantic Ocean, launching a new era of global communication.
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 »
I loved the show! My brother and I will make a radio.
I love science live it’s so cool. 🙂
i like the new thechers the have cool dias
how long did it take the radio to get compeletly fully built and i would love the radio in the shop
do you guys know when the helicopter class will start for us to do
i love science
that was intresting
I’m really excited to start this year again with Acellus and Science live!!
Thanks for showing me new facts about this. See you all next week.
I love butterflies they are amazing
I like how he talks about how wifi was named.
How would a fabric send a signal back to a computer?
Cant wait for next weeks video.
I hope everyone enjoyed this live as much as I did!
This science live was really good!
I love how these lives are always entertaining, educational and funny!
Hi from Mississippi.
Who was the first ideas to come together for morse code?
Checking in from Georgia.
Learning about how the code was created to send messages is very cool!
Very interesting learning about all the radio stuff
This science live was cool!
I love watching Science Live!
I like how they talked about transistors.
Why call it fi? Good one It is called Wi-Fi . Science live always has something to learn.
Seeing how technology like computers have changed over the years is amazing! Advancements will continue to be made!
Hello From Maine!
hello from Indy
Wow computer strings very cool!
Thank you for all the effort you put into Science LIVE!!!
Loved this weeks science live!
that was awesome and it was so cool
Hello from Virginia!
Comment Watching from Canada. Cool video. Radios are cool
great video about tuned radios!!!
Hi From South Carolina
Dr. John spoke about brain chip implants to communicate through the computers. I am concerned that it could cause cancer and more harm to humans.
It was so good for student!
I love science
Hello from Illinois! I loved this episode! How is everyone doing?
I’m excited to watch this with my family!!!
Computer chip in thread????
Loved today’s live can’t wait for the next
One
I really loved this episode
What is a osalater used for in radio?
That’s really cool about tuned radio
It’s so cool how having a cone then talk into it makes it louder, very awesome
This was very good
I love science live!!!
That was fun.
love watching the videos this one was amazing
love these videos
I hope all of yall were safe in that winter storm we had!
Thank you for the video it was so funny.
I loved this episode!
They talked about coils and made it with wires*
What are blue monster galaxy’s?
Presley from TN! David and Caleb are always my favorite part of Science Live!
Is there such thing as winter butterfilies?
thank you for all to cool lives! i love them so much! This one was amazing!!!!
This episode was so intresting.
How does Roger Billings use his life experiences in Tuned Radio to inspire students to value science and education as tools for achieving their personal life missions?
that was cool the way they made the tuned radio.
I love Science. Great video.
I learned a lot from todays episode! This was really entertaining. Thank you!
who invited the first computer chip?
Italian here too!
hello I’m Logan what do you guys think of the video?
Hello- From Maine!
hello from virginya
wow!!! that’s so cool!!!
Hello from Mississippi!
I really enjoyed this science live, it had me laughing. The thing that interested me the most out of everything, was the technology spotlight, because those string computers looks insanely cool. And it would be cool if you guys put those radios in the store, it sounds like a cool idea. Can’t wait for the next science live 🙂
I loved this episode 🙂
Hello from Florida! 🙂
Hello from Florida!
Another great science live!
how much is one of those gloves?
wow love this guys!!
R51 is so funny
hello from Illinois
This was so cool.
I liked when r51 played in the snow at the end.
this one was the best sciencelive
I love science!I
hello from Houston
it was very interesting today, mainly because it was about radios
This was a great episode of science live
Another great science Live!
I guess R-51 really likes Miss Pajet!
Love the pirates!
I love the elective options with Acellus! The new class about learning how to fly a helicopter sounds amazing.
i love science live!
Hello from Tennessee!
hello sorry I couldn’t comment on the video these last few months… but I thought the science live yesterday was fun and funny 😁
this live was amazing
Great Science Live!
The Blue Monster Galaxies sounds really interesting.
THANK YOU THIS WAS AMAZING
Hi from South Carolina
Learning about radios was super fun
This video was incredibly informative and engaging. I discovered fascinating facts that were previously unknown to me, such as the invention of radios.
Tobias is so funny.
Today I have learned that in 1857, the first wireless telegraph message was passed and that Guglielmo Marconi helped make this happen.
this live was so funny
radios are always interesting about their history and how they work.
I enjoyed hearing that there is a design for a chip made of thread.
Georgia, Albert Lombardi (Hunter’s Father).
I love these videos. Thank you Acellus for the time and effort put into teaching us students!
I really liked the inventioneer part.
Learning about radio is amazing!!!
Watching replay from KY
I never thought about a radio like that before!!!
So COOL!
I never thought about a radio like that!!!!
I love this science live today it was amazing!
I loved this episode! Learning about tuned radios was really interesting. Thank you, Dr. B!
Hello from South Dakota
What is a tellascope made of
Yes put the radio on the gold earning credits.
I too am Italian, kinda. anyway good video, wish there was more on wifi and other networks though.
Great Science live this week as always!
Wow! So interesting! I love it!
this is the best show ever made
Tuning in now!
I loved today’s science live!
this is cool. I love science l!ve
You should put the radio in the Acellus store so people can redeem it.
Hi from Illinois.
Thanks!
That was interesting.
Very good episode. Interesting.
Science live is always interesting.
Hello from Alabama
Hello from NY
I love learning about inventions and how they are made!
Thanks for the lesson
The science live was so fun tonight. The pirate song was cool.
The science live was so fun tonight. The pirate song was cool.
This r-51 radio would be awesome in the store!
I want to make a shirt that a I change the color and design when ever
I love learning about new inventions and how they are made.
Learning about tuned radios is so interesting!!
How do you think computers will be in the future and how small do you think they wil get?
This was so cool!
So cool that this program can be used in public school as well.
This episode was so interesting and funny
I want to learn more about what doctor John talks about tech
such a fun live!
Thanks for a great episode
I’m italian to
I wanted to do that.
This science lives was so interesting!
hello from California
That was cool
Yes, you should totally put that on the gold store for about 13,000 coins I think this episode was so amazing. Please put it in the shop. This is Taylor reporting from Beaufort, South Carolina.
this episode was so funny it had me on the floor!
I would love the radio In the gold store, and I would love to build it. Today’s episode on science live was great! Learning about the radios’, morse code and the fishing wire computers that are getting made by china is a great find and idea. I’m so glad learning about the different people that built transmitters and radios, and allowed us to be able to send messages very far. Also, for Wi-FI because I really need that. Thank you for today’s episode!
Hey Martin I’m from Cincinnati Ohio where are you from
This is amazing!!!!
Very cool and amazing
That was so cool 😎 I wonder what’s next. My favorite part was r- 51!!
Thanks for this weeks video learned alot.
I loved today science live
The R51 radio was pretty cool.
ME TO GIRL
Learning about tuned radios is so interesting!!
Iove science live! My favorite part is R51 he’s so funny! ☆*:.｡.o(≧▽≦)o.｡.:*☆See you next week! ദ്ദി˶˃ ᵕ ˂ )✧
Fun live see you next week!
Thank you for the live!
see you next week!
I love how all walks of life can come together over inventing, regardless of thwir native language
Yas!! Can you add it to the Acellus store, and can u add instructions on how to make it, in the package?
Ooh my gosh yea! Tht would be pretty cool!!
Wow that was so cool!
I love science live so much see you next Wednesday ❤️
Why call it fi oh I got it lets call it wi-fi. And that folks is how wi-fi was invented nice joke 😂.
love the scince live and see u all next wendsay.
R 1 is amazing!!!
how much does one of those gloves cost?
I loved today’s science live!
The pirate song was amazing thank you 😀
that was cool!
How do you think computers will be in the future and how small do you think they wil get?
loved todays episode!! cant wait for next week
fun time see you next week
I find it fascinating whenever I hear scientific tales about scientists who aren’t from my country (USA). And that all different types of cultures of scientists can come together and create something connected. May speak differently, but all understand the language and love for inventing. And yes, I love Australian accents too Mr Tobias!
so excited for next Wednesday
so cool to learn about!!
Learning about radios is always very interesting! My uncle is also teaching me how to operate a ham radio!
Thanks for the awesome live!
this is so interesting. I learned so much.
Fantastic! I love the part of pirates.
I loved this episode because it was so cool!!
this was a very educational and interesting video. I learned a lot of new interesting facts that I did not know about like radios and how they were invented. Also learned about Morse code.
Thanks for the awesome live!
Acellus is amazing!! see you next wednesday. 🙂