Vacuum Tube Computing
February 4, 2026 • EPISODE 296
Join Roger Billings, a technology thought leader and innovator, as he draws from his diverse range of life experiences, inspiring students of all ages to love science and to understand the value of education in empowering their life missions.
This highly motivational and informative lecture series, hosted by the International Academy of Science, is part of the Roger Billings Mentoring Scholarship.

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 »



HELO FROM VEGAS
Technology is so cool to learn about, always look forward to Wednesday!!!
Space technology is amazing, so many exciting things going on right now!!
I wonder how much more computers will change in my lifetime.
there is so much more to learn about computers than I thought
computers are so cool
So funny and interesting
I found that computers using binary numbers in order to work really interesting. I learned that zero means off and one means on.
It’s amazing how much computers have changed over time.
This is my second video to watch, i find it so interesting, im looking forward to the next science live, im so glad that acellus is bringing this to me, my life is changing.
ILOVE SCIENCE LIVE
I like the video and about computers. Also talking about how to get to the moon and about vacuum tubes .It was
so much fun talking about vacuum tubes..
I love science live.
this was a goodscience live no questions
Vacuum tubes are cool!
Hi from Cape Cod! I really loved talking about the 1930s and how they used computers. This was a really interesting class .
I like the video it so cool I will build my own computer Daivd you so cool and clab can you gave a class for the proges
Hi Elena Here !!!!😎😎😉😋😖🙀
This is how you spell my name in binary 01110010 01101111 01110111 01100001 011011110
My son is obsessed with computers or anything electronically really.
wow, this is so cool!
Hi from California
For some reason, with Computers ther like a human being
Hello from Japan, I loved learning about binary, thank you so much.
Guess what guys in six days it’s my birthday 🎉 have a great evening and forever on!
R-51 is very funny! Thanks again for another awesome Science Live!
I love computers
it is really neat learning how computrs work.
i like when they when they talked about the moon.
Computers are so cool.
I agree, computer science is very exciting, and intresting to say the least. I too like to program in python and making my own games. 🙂
Hi from Texas
Its amazing how computers have changed.
Yeah I loved science live it was really interesting
pretty cool science live this week.
I liked learning about computers
Loved science live today!! And love computers.
Omg r51 is funny
I love r51!
I always look forward to logging on Wednesday nights to watch Science Live!
So interesting, my brother is going to college to study computers better! Love to learn something new everyday!
i am from california
Hello from Maryland!
Hi from Mississippi
I love science live, because of the technology we get to learn about.
I want to build my own electrical switch board!
Hello watching from illinois
R51 is hilarious! 😂
wowww the history of computers is fasinating
Good morning from Singapore 🇸🇬 btw
I liked learning about computers
Dr. B is the best the teacher ever!
yay I love getting to watch these !! from maryland !!!!
Thanks for explaining it to where I feel smart.
Hello from mas.
Hello from Texas
hello from savannh
Comment
Watching from Virginia.
Im learning a lot about how computers work! I had no idea it was this complicated!
Area 51 is funny!!!
R51 is so funny!
Great episode tonight!
i love r51
I always look forward to Wednesday evenings for Science Live!! Thank you for the knowledge
Really enjoyed Tobias’ segment this week!!
r51 is a little jokester😂
I live science lives!!!!
Comment Yayyy. Super excited I got to watch a broadcast live!!!
I love R51.
I think it’s so cool that computers come in different sizes like small large and medium!
Hey coming from no! This is so cool!
R51’S deserves his own class to teach science!!!!! R51 FOREVER
Hello from Texas.
So cool to learn about the moon I never thought it would have been that difficult to get to it.
This is so cool!! So excited for next week!!
Nice to see you again R51, let’s see what we can do with vacuum tubes.
Yay science live! Hi from Virginia.
R51 is so funny
Good Evening from Virginia!
I love r51
Love tuning in from alabama
Hi from texas
It is so cool and entertaining to watch
I love science live it’s the best
Hello from Tennessee!
this was so awesome!!! i love these episodes
Happy February ! Very cool science live today.
The history of computers was very interesting.
Thank you for the live! -Illinois
yay R51. I look forward to him every week.
Hello from Texas! I love tuning in!
I liked Dr. Johns lesson tonight.
R51 always makes me laugh! I’m currently saving up to get one of his shirts!
R51 is Hilarious!!
It’s crazy how everything on a computer is only 1s and 0s.
I like the part about the computers for space
This is the best day of the week!!
This Science Live is my favorite so far
R-51’s goofy as always!
Incredible to think how many resources AI uses, keep putting out cool facts Tobias!
Hello from MS!
I love Science Live and especially love the Protégés, Caleb did so good! Also love Pajét’s shirt!!! Can’t wait for r 51
i just love these vids
Hi R-51 :3
I love r51
These things that we learn every Wednesday is so so intriguing.
Wow I’m learning so much right now!
I can’t wait for r51!! He is so funny!!
Hello from Texas! I love tuning in!
Love this weeks stream amazing about space and computers.
It’s interesting to see how the devices have changed
Heyyyy, coming in from TN. This is cool!!!
Been enjoying the LIVE episode so far today!
i can’t wait for episode 300, i wonder what he’s going to do then. 4 more weeks to come!
Why does it take four days to get to the moon
hello from GA
The topic of the moon being brought up really interested me, I never knew it was THAT hard to get to the moon.
Comment i have been so excited for this all week!!!!<33333
This episode was great.
this is a fun live!
Why exactly is it called “Binary” is there a specific reason or did it just sound neat?
So how did the Billings PC operate?
Thank you Dr B
I looooove Acellus!!!!!!!!!!!!!!!!
coding is pretty cool. I learned that computers are a bunch of 0’s and 1’s that make up codes and turns them into numbers and words
This weeks live was so entertaining
This is so interesting; I love hearing about how much technology has progressed.
I wish I could come but I will watch the broadcast when it happens
Hello from new mexico
r51!!!
I love how hilarious the protégées are they always make me laugh everytime they come on
FIRST TIME ON LIVE IT SO GGOOOOODDD
Hi from New mexico
amazing episode. sending smiles from missouri
Greetings from Mexico 🇲🇽
Hello from WI!
It is very interesting to learn how inventors like Claude Shannon used logic and electricity in designing computers.
Hi from Alabama.! And I would like to say dr. billings you are absolutely wonderful.!
Dr. Billings You are AMAZING
I never knew the moon was so difficult to get to.
The episodes just keep getting better
Wow! Thats how computers work!! That is exciting!!
OMG the show is so cool. and I love r51
Hello from Washington!
I’m glad we learned about how much water and electricity AI uses! I was just telling my mom about it earlier
hi I’m from wv
I love science live
It’s amazing how much computers have progressed.
I LOVE SCIENCE LIVE❤❤❤
Amazing show tonight guys!!!
this is very fun
r51
hello from Maine!
Amazing video dr billings!
Hi from Oregon.
I enjoyed watching this very interesting!
wow computers are much more interesting than i thought!
i’m so thankful that we have better and faster computers today.
Science Lives are always so entertaining!
hello from colorado! i love science live, it inspires me to give me full 100%, like all of the people i learn about.
That was awesome. Thank you Caleb and David.
Exactly how much fuel does it take for us to head to the moon and then head back home?
Good job to the proteges.
Hi from New Mexico
Hello from Costa Rica! This is amazing! Love this class!!!
I love science live
Hello from Virginia
I love these new segments!
David and Caleb are really cool… i learned alot from them tonight. And liked learning about computers.
i love watching the proteges. wow its amazing how far computers have come to where they are now.
Hello from Texas, Great show tonight!
hiii from NY!!! this video is so fun!!!
Really interesting to finally understand just why computers use binary.
Hello from Hawaii
Here from NV!! Amazing science live tonight!
I really enjoy watching the proteges videos.
Hi from Nebraska
Hi from Rhode Island
Hi from NC!
Hi from NH! Amazing lessons!
Hello from Ohio great show can’t wait for the new one next week
Does the ENIAC still exist toady?
Science Live is amazing!