Binary Decade Counter
February 18, 2026 ย โขย 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 worldโfrom 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 โDrBโ 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 DrBโs lifelong commitment to supporting education, Science LIVE was launched as a way to โgive backโ by mentoring students in conjunction with the Roger Billings Scholarship Program.
Read more about DrB ยปย
About the Roger Billings Scholarship Program ยป



ACD2 THAT IS MY NAME
DANCING IS MY GAME
COME TO ACELLUS WORLD SEE ME DANCING
ILL BE THERE HOLDING YOUR HAND
BE MY FRIEND I WONT LEAVE YOUR SIDE CAUSE YOU AND ME ARE BUDDIES
RIDE OR DIE
Hello Dr. Billings!
wow thats cool that Dr John got to program atd2
Hello everyone, the robot looks so cool! can’t wait ๐
Science live is so fun!
This is very interesting.
SAYING GOOOD EVENING FROM OREGON ๐ฅฐ
Hello from Texas, love 3D printing.
Hello from va
What else can this hydrophobic technology be used for other than ship making and other equipment? Can someone use ultraviolet and/or infrared light to power different things similar to how electricity powers different things?
Hello from Arkansas
that robot is fire
I loved that little dance!!!!!!!!!!!!!!
Hi love science live
can the big robot be on the shop
Watching from New Jersey!
I loved robotics class.
Hello from Wisconsin. Loving the science live, per usual!
I loved how the huge 3d printed ACD2 was able to move and sing its so cool.
Hi From Fort Hood!
where can i purchase a robot??๐
Is there going to be a video to see Acullus world?
I love the blue robot! Thank you for the Science Live!
How do we get there virtually?
I love the dancing robot.
can you add the medium acd2 to the gold shop
Watching from Virginia
Hi from missouri i love Acellus.
Why is there a color that can sense heat signatures
I love pajet sheโs so pretty!
hello from west michigan
Hello from nebraska.
I loved how the robot dance and sing .
Is the robot available for sale?
I love the robot dancing.
Hi from Virginia!
The robot dancing was really cool!
How long did it take to program the robot?
The dance is funny
it was fun wasn’t it i thought the musice was fun
you should make a r51 robot
The dancing robot was my favorite! I love it so much love the message tonight
Love the science live.
That song and dance is AWESOME!!!!!!!!! I really wish I could come in person but I will definetly be coming online!!!!!!! ๐ ๐
How many types of circuits are there
I loved the dancing robot, you guys should bring him on more often!
What does the Acellus team think about the future of AI?
This was so interesting!
Jermaine Foster checking in from Georgia!!
Awesome dancing robot!
How long does it take to program the robot?
I Love acellus world even tho i have not been there it looks amazing! ๐
Student from Tn
Hi! The dancing robot was cool.
Watching from Texas!!!
Watching from Alaska.
when do you submit you science fair projet
that big robot is cool
Hi from Texas! Sorry i’m late…
watching from Colombia, so exciting!!
Loving it!
Hello from North Carolina!
Hi from NJ!
Hey!!!!!! I LOVE your name! its so pretty!!!!!!!
Watching from Florida !
I love the robot
That song was so cute.
ACD2 is an amazing bot my question is do you plan on making one that is as tall as you or no?
He has good dancing moves!
That dance was so cool
The little robot is cool!
Ac-D2 has some Moves! Watching from NY
This was very educational, I learned a lot from this ScienceLive!
I like the bigger robot and the song.
Mega AC D2 is awesome!
how much would it cost to build a human sized version of AC-D2
Your robots are cool.
Hello from NJ
Watching from Tennessee!
I like making images and videos with ai its definitely the future of things like that
I hope I can come to Acellus world!
Hello from Omaha Nebraska! GO BIG RED!
hey from louisiana
The robot dancing is very cool!
Hello from Texas! Fascinating (as always) science live!
i loved that, that was so cool
The robot is so adorable
it was cool to learn about ultraviolet and infrared light today because infrared is below red and ultraviolet is above violet light.
Didn’t realize there was comments! from Texas and this is awesome!
Wow that was so fun!
Such a good video this week!
Ahhh he is so cute!
Love the song and dance!
Love Love the robot!
The robot is such a vibe!
How long did it take to make the robot
I love the AC-D2 song!
It’s fascinating how individuals observe the natural world and create something from those observations.
I really prefer this size of it! So much fun!
Guys we have to get the ACD2 song to the top of Spotify.
The robot dancing is really neat.
Hello from Massachusetts. I personally have a 3d printer and it is so fun!
Fun fact! Ai can’t make new media and usually pulls from premade sources and human made media!
Good evening. Checking in from kansas. Excited for this week’s science live!!
How long did it take to print the robot?
Woah, thatโs so cool! Can we code other things with the bot?
This robot is so cool!
that is a big robot
This episode was supper cool and the song was funny
did the engineer team at acellus help build the robot or was it just dr. b’s doing? and hello from md
Loved ACD2โs song! Catchy and fun๐ ๐
Hi from Oklahoma
Wow that part about the spiders is interesting
Love that song
Hello from Nebraska
hello from New Jersey! love science!
Can I purchase different sizes of the robot?
What does ACD2 stand for?
hi from Missouri
Will that one be on the Acellus store?
hey from Nevada.
Iโm loving the video, so much fun facts to learn.
Would it be possible to see the process of how the big rcd2 is made?
hi from tx
I love programming my robot!!
Hello from Maryland!
I like the infrared part its very interesting
hello from ID!
hello from texas
I want a robot!
This is so epic
I think it is great being able to watch acellus world
That is really cool information about the bots dancing.
Hello from Nevada ! Thats really cool!
how did they make the robot.
Hello from Kentucky and today I ask what makes both sides of the temperature extreme (Hot and Cold) dangerous/harmful?
Hey from Texas!
The robot singing his name is hilarious! Looking forward to next Wednesday!
the dancing robot looks like such a fun lil dude.
Would it be possible to put the micro serations on an experimental light aircraft to make it float in water if it makes an emergency landing?
Hi from Kansas
Hi from Tennessee!
Hello from Louisiana!!!!
hello from wisconsin!
hiii, I’m a bit late today! sorry!!!
Hello fron Texas, how you doing?
That is so cool to see ACD2 that big !
Hello from Georgia. Enjoying the livestream
How do you program ACD2 to see.
Watching from Atlanta.
social and emotianal is a great . i enjoy waking up to it every morning
I am loving this!
I also wonder what r1 will do today.
I am so excited itโs going online!
he is so cute
Is there a max limit of applicants for this competition?
I wonder if daived and caleb would come
Wow, it actually works.
what is the largest robot in the world
Hi
Hello from Long Beach, do water spiders breathe underwater, sorry i was distracted while this was playing…
I want to learn more each science live maybe you can make it 30 minutes longer
Do you think you would ever bring acellus world to another town?
I love robots ๐
Hello from Georgia!
Little robot looks cool.
Hi from TX
I’m so excited to come to the Acellus World
hi from cali
Hi form NM
YAY DRB IS ON T.V!
Hello from tn
Hello From Florida!
The giant robot is so cool
I love the robot
This is awesome!
Hello from Williston!
Hi from NY
ay yo! hello from Dallas TX baby!
Can you use the superhydrophobic properties to assist submarines travel through water using less energy / less friction with the surface of the submarine?
Science live is so fun also hi from Florida
Hi From Arab AL (Alabama)
hi from washington
I have a question. What was the main motivation for Lady Pajet to teach social/emotional classes today other than Mr.Rodger? I’m asking this question because sometimes if its a big task or challenge sometimes you might need some extra encouragement or motivation.
Hello from Northern Illinois! I love 3D printing. It is so cool..
Oh my goodness!!! So cool!!!