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 »



water spiders are pretty cool
WILL YOU PLEASE MAKE A BLOCK WERE AC D2 SINGS ON THE AC D2 ACTIVITIY 🙂 🙂 🙂 🙂 🙂 🙂 🙂 😉 😉
This science live was awesome!
R51 is so funny
Science live is the highlight of my week!
What was the chemical composition that R51 put in the serum?
I really liked this episode, it was super entertaining. It was cool to learn how circuits are actually easy to make they just need a lot of energy.
I loved this science live!!!!!
Loved this live! Im very interested in spiders and would love to learn more about them!
I loved this video with spiders, circuits, and light splitting. THANK YOU FOR IT 🙂
Science Live is the best 🥰🥰
I really liked ACD2 dance that was so funny!
I love the teacher drink in this one.
Another day of Science Live and I’ll never get tired of it especially when R51 is being a goofball. I knew water spiders existed but it was cool to learn about them and really loved the parts with circuits because I wanna do a career in maybe Engineering or Electrical. Very cool video today!
I enjoyed learning about water spiders
science live always teaches me something cool!
Loved this vid especially with the spiders can’t wait to see next weeks
I enjoyed todays class.
With the super hydrophobic material do you think its possible to make hydrophobic roofs, showers, and flooring? Maybe even fabric if done right?
I really liked this science live episode and I like the science protégés!
I loved today’s science live!it’s so cool how they made the metal super hydrophobic so it doesn’t get wet.Btw from Texas
It was really interesting to learn about the water spiders, I had no idea there was a species that lived entirely underwater.
I loved the video for the spider and the robot!
I love to learn new and weird facts!!!!
Hello from Montana, I love watching science live!!!
i love science live i learned alot about that spider
I loved the water spider part
I loved this science live! It was so cool to learn about the water spider.
I wish I could come to the Accellus World, but my mom is sick with cancer. Maybe I can go there next year. Thank you for making it available online this year.
I love science live.
I loved this episode it was so cool.
I loved this video with spiders, circuits, and light splitting. I learned so much and I love R51 he’s such a goofball🤣😂
What is hydrophobic?
True!!!!!! R51 is hilarious.
I love all the information about the circuits! Science is so cool!
He is very funny
I really like how mirrors can reflect the colors of the rainbow.
I love science live! it was awesome to learn about water spiders!
That was all so cool!
hi from texas
It is really cool how circuits need so much energy but it’s really easy to make.
I found myself intrigued with the binary decade counter and how they work, as well as the water spiders! I look forward to next week, keep up the good work!
I never knew that electronics could do this! Than you so much for the new Science Live video!
I loved the potoges presentation today
the water spiters were super cool it was my faverite thing in todays live
that spider looks so cool!!!!!!!!!!!
the super aquaphobic material can be used for phones and electronics so that they don’t get wet and malfunction. From South Carolina.
Hello, This is Erika from Texas. I enjoy this hour. This is great information, especially the students’ personal experiences sections. Maybe one day I can be there.
Um, I would like to know what state or country science live is in. I live in alaska.
Me too 🥺
This episode was interesting and easy to follow. The science demonstrations made learning about circuits more fun.
R51 is so imaginative
the first joke lolol
Yeah lol, that was funny!
Are we going to be able to buy that little robot online?
How many flip-flops are needed
i did not know differant colors of light had differant temps
I like learning about circuts. Thank you.
How do you put your hand in a rainbow?
I love science live
Omg thats sooo cool i wish i could de somthing like that
circuits are so cool
I love ACD2
VEry interesting video loved to watch it
Water spiders are really cool.
cool video!! i loved when the robot was singing now i want one see you next wensday!
Hi from nc
MERRY WENDSDAY!!!
I love in the video that it’s not just one person there are many more! It is very educational and I like it a lot!
hi from texas
this is the best live I have ever seen☺️ love you Roger.
Hey from Texas!
Maddie fro San Antonio Texas. I would like to study waves and the energy they provide as a natural energy source.
First time in attendance. So excited to learn.
I love the idea 💡
Such a good live!!
Hiii from SC!
Angelina from Miami love this class
How would you describe binary to a 3rd grader?
If infared light is heat, then does the sun’s heat travel at the same speed as it’s light?
Hi from West Virginia
Hello from Wisconsin! Excited for another Wednesday night live!
Water Spiders better not get near me ever!
your videos make my day
Enjoyed tonight’s science live!
Wow that is a really cool how he made that. One of my friends has a 3D printer.
I never knew the origin story about inferred light. So so so interesting.
Great video hope everyone had a great day!
Hi from nc
hi from ohio
Mason from Texas thanks for talking about wave power
Hi from Illinois
This is my favorite video so far!
Loved this video!
Hello from Japan. Thanks for the Science Live today.
Could the hydrophobic tech worked on something like a hockey skate blade
Every time I watch these they teach me a lot. There is alot of stuff that I never knew so it is always interesting
Can’t wait for the next science live!
I love acellus
That was so cool!!
We could make a better floating submarine with the floating aluminum.
Never knew it was called infrared, (from Canada)
I love my SEL class it has helped me out alot. I recently pulled out of public school due to bullying and this has helped me with my emotions.
People can learn a lot from animals. They can adapt better than people and survive diseases that people can’t.
I love learning with Acellus!
I like the light part.
Science is my favorite
that was a cool dance 🙂
What are logic gates?
I have an idea for a flood resistint house!
I love science, thank you for keeping me educated!
Good morning, enjoying from Bahrain
I don’t like spiders but that is cool how they make a web under water to breathe.
Spiders creep me out but wowww!!
Mia from Texas I always wandered about waves and energy
Greetings from Ohio!
I love science! This is my favorite video to watch!
I am very terrified of spiders but seeing that water spider and how it makes like a web under that water is cool. I liked seeing how metal floats aswell!
R51 is so funny!
It’s very interesting how metal can become hydrophobic because of a pattern being etched on it. 🙂
Hi from Alaska!!!
hi from nv
This was a pretty incredible episode!!
It’s cool how it can be different by using a flip flop, Also it’s cool how it works.
Science Live has taught me so much more about science.
I love these videos
I thought the live was very interesting today.
Love it! Thank you for another great live!!
I was always scared of ever encountering bugs in the water, but strangely enough not water spiders/
that was the best one yet!!!
hello from idaho
Hello from Texas!
I like the split light.
Sorry, Hi from Texas!
I love these lives and water spiders are so cool!
I really enjoyed todays video
Loved the Video, Cant wait for next week
Its amazing that a water spider has hair on its back that can hold a bubble!
How many years does it take to become a scientist?
Hi from ohio!
Hello from VA.
Water spiders remind me of water gliders
What does the water spider eat?
It is really cool how light can be split into multiple colors and each color has a different temperature.
these videos are always so informational
It is cool to think about how you can use light in different colors.
Is there any inventions that already use it like this?
i have seen a lot of science teachers and videos of different people its cool.
Cool! Can’t wait for next Wednesday
Hello from Montana
This was really cool!
This is so cool!
This is awesome
seeing metal float is cool
Circuits and how they work/operate are very interesting!
I really enjoyed todays video it was vary educational and I learned a lot
I’m totally a flip flop!!
i love 51!!
Amazing 🚀
I hope everyone is doing well. 🙂
Great video, Sciece is way cool.
so cool☄️
Love to see the robots DANCE
hello from idaho
Hello from Texas!! Very happy for another week
This one was probably my favorite live so far
This was my first live stream and it was cool.
how did you get in to science
Hey from Texas!!
hi from mississippi
That’s so cool!
Excellent video,Science is so fun.
You are amazing teachers!
Hellooo science live
Hi from Washington!
Hi from Maine!
Hehe; deboledeboledoo is ‘I like your shoes?’ Bruhhhh
How many videos do the teachers make in a day?
Today’s live was so cool! Hi from Maine!
I love this you should do more like these!!!
Hi from CT!!
Hi from idaho
I learned that the water spider make a web underneath it that holds oxygen, allowing it to breath underwater.
hello from illinois
luke here watching from Texas
awesome live like always
I loved this episode of science Live!!
Hi from ct
How many numbered circuits are there?
The metal floating was cool!
I wonder if they make info red goggles.
I leaned about technology water spider it was good and cooooooooooooooooooooooooooooooooooooooooooooooooooooooool area 51 was good acd2 was cool.
🙂 science liiiive
This helped me learn so much more than i expected thank you
Hi from Florida!
Great live!! I love these lives!