Vacuum Tube Computing
February 4, 2026 • EPISODE 296
How did computers go from filling entire rooms to fitting in your hand? In this episode of Science LIVE, Dr. Roger Billings and the Protégés explore vacuum tube computing and the technology that launched the digital age. Hear stories about early machines, the Billings Computer, and floppy disks as Dr. Billings shares his firsthand experiences helping shape modern computing.
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 »
Hii from North Carolina
I love science live
😀 😀 😀
hello from MN
hi from illinois
Good afternoon from NC!
Hello from Texas
Hi from KC
How many courses does Acellus have that you can take?
HII from TEXAS!
Good evening everyone! We are present from Virginia!
I want to go to the event in KC
me to
Howdy 🤠 from Texas 😝
hello from Tennessee
Hi guys! Here from Illinois
Hello from Alaska.
Here from West virginia
emma
Hello from Georgia. How is everyone tonight?
Hello from Texas! I’m excited to see what tonight’s Live is about!
Hello from Texas!
Hello from washington
Hello from Illinois!
Hello from New York City
Hey y’all from Tennessee!
Happy to be here and ready for some science
I love Science Live!
hiiiiii from ky!!!!!!!!!
hiii from texassss
Excited to tune in as always!!
Hello from Hawaii, can’t wait for tonights science live!
my name is jazette i am watching from puerto rico
Hello from down here in Oklahoma!
Hello from NC!
Excited to watch this. First one!
This is such an exciting watch! Grateful for these lives.
Greetings from Alaska!
hi from new jerssey
hello! from New Jersey!
Hi, everybody! From Ohio!
Hey From Virginia
Salutations from Puerto Rico 😄
heyyy! From illinois
Hello from Louisiana! So excited for today’s live!
Hi From Texas And im 11 years old and I just wanted to say thank you science live for encouraging others to learn alot about Acellus 🙂
Hello from Texas!
Hey folks! Good evening from WA!!
HELLO FROM NEW MEXICO
Hi from Nevada, such a great show!
Hello from MX
Comment Hello from Delaware
Hey from South Carolina! Science is my favorite!
Hello good evening from California
HII FROM TEXAS ITS ABBY I LOVE SCIENCE LIVE!
Hey from Arkansas !! Ready to tune into science live!!
hello from Georgia
hello from Louisiana!
Hello from Illinois!!! I love Science Live and look forward to the next episode/live!! <3
Hi from illinois
HELLO FROM GA!!!
Hello from North Carolina!
Hello from North carolina!
Hi from Houston!
Happy to be here!
Good Evening 😊
hi from IL
Hi from north carolina
good evening from NC
hello from Missouri
Hello from Nevada
LETSSSSS GOOOOOOOO
Hello! Good evening everyone!
So excited!!!
Hi from West Virginia
Hi from Mississippi!
hello from NC!
Hello from Texas! 🙂
hello from America
Hello form marlyland
Happy Wednesday, everyone!
Goodnight from Puerto Rico!
hi from TN
Hi from texas
Hello from New York! Have a good day/night!!
Hello from Virginia
Hello from Georgia!
Izzy from Billings!
I love science live :()
Hi from GA
Hello from Texas
Hi From Texas!
Hi from Maine
So excited!
hello from oklahoma
Hi from North Carolina
So excited for the live!
Hey from Austin TX!
Hi from Mississippi
Hello from Ohio! I hope everyone is staying warm this winter!
Hi from Kentucky!
Hello from Nebraska!
Hello from NY!
Hi! from Chesterfield , Va
Hi from Texas
Hello from texas
so excited for the live!
hello from massachusetts
Hello from Virginia! I’m back for more science fun!
Let’s have a great one
Science live is so fun!!
Hi from Texas!
Hey from georgia
Hey from Texas!!!!
Juliana DeRoche from Florida at 8 p.m.
hello from Florida
Hi from Virginia!!!!!!!!
HI from KANSAS
Hello from Texas!
Hi from Georgia.
Hello from TN! I wanna be here 😉
Hello from NY!
hello from south carolina
The videos in Acellus help you learn stuff and take notes for your exam and questions
Hello from Illinois
Hi from Tennessee!
Excited for tonight’s live!
Hello there from NC.
Hi from Illinois
Good evening, this is Maya from Texas!
Love the science lives! From New Mexico!
Luigiano from SD
hi from maryland
I’m ready to learn something new on todays live i’m super excited
Hello From Maryland! Very hyped to enjoy today’s episode.
Hello from North Carolina!
Hello from Texas!
Hello from New York.
Hi from texas
Hello! From FL!
Good evening from North Dakota! Super excited for this video!!
Hey from Louisiana
Hi, this is Ella from Maine. Can’t wait for an amazing science live!!
Hi from NC
good after noon from Texas hope everyone had a good dinner
Hello from Texas 🙂
Hello my name is Bella
Hello from Dallas TX! 🙂
Hi from NC
Hello from Virginia
hello from new jersey
Hello from Virginia!
Hello from Alabama 👍🏾
hello from Mississippi.
Good evening from NC!
HELLOOOOO EVERYONE!!!!!!!!!!! LETS HAVE A GOOD LIVE PER USUAL!!!
hi from missouri
hi from montana
So excited for today!
hi from India
hey from nevada
hey from teaxs i hope yall have a nice day or night
Good evening from texas
Hi from Texas
Hi from Nevada
Hello from Kentucky!
hello from texas!
Hi from Texas!
Hey for North Carolina
I’ve been waiting for this stream all day!
Hello, from Vegas
Hello from Tennessee!! Excited to see what tonight is all about
Hello from West Virginia
hi from Illinois
Hello from South Carolina😁
Hello from georgia
hey from ga
Hi from SC!
Hello, I’m excited for another Science Live!
hello, from mississippi
Hello from atl!