On this episode of "Today I learned..." 😁
I've never even considered why those were created and for who. They were just a permanent staple of school in the 80s and 90s.
2026-01-19 11:46:29
16
justinhieter1984 :
Not to mention that the transparent sheets you can just wipe off with a tissue when you're done and reuse them over again several times.
2026-01-19 05:16:05
6
Robbie :
The internet was created so that computers within the Pentagon/DOD could communicate with each other.
2026-01-24 19:45:39
2
Jess Hippen :
I loved writing on the projector for notes
2026-01-19 17:47:55
3
rogerthealien069 :
Your shirt that show also taught us a lot about life lessons how to have fun how to enjoy life, math, history, and science all in one show do a video about that show
2026-02-08 22:33:35
1
El Zorrito del Mojave🇲🇽🦊 :
my school in appalachia was too poor for those. I saw them on PBS though and thought it was about the coolest thing
2026-01-20 14:23:57
1
richie_07111 :
Allot of things come from the military such as GPS and Velcro.
2026-01-20 08:15:20
2
Ken James3915 :
We had those in classrooms in the ‘80s…damn I feel old now!
2026-01-19 01:22:57
4
Lore :
I've always wanted one. I still do.
2026-01-19 19:59:52
1
primetimeshinemn :
My kids will never understand. They call me “unc” because I was “born in the 1900s”
2026-02-15 05:39:31
0
KchevyskI :
I have two that still work. I use them for painting projects and transferring the stencils... took me a long time to find working ones
2026-02-05 15:14:27
0
BathrobeBeerGuy :
That shirt is awesome 👏🏻
2026-01-26 04:33:05
0
Flutterguy 225 :
il2001 here I remember that projector
2026-01-27 02:18:00
0
Christopher Bryan McBreen :
I used to have that tshirt
2026-02-03 10:39:21
0
Birdpoop :
I never knew this!!!👍
2026-01-20 12:17:13
1
alwayz1864 :
mhmmm
2026-02-04 17:18:47
0
jaeson :
very pretty
2026-02-04 11:30:04
0
Koala rose :
wow
2026-01-20 04:50:10
0
Sayem Ahmed :
classic
2026-01-21 20:03:36
0
J8328 :
I hated taking notes from overhead projectors.
2026-01-20 12:04:57
0
Akurin :
TIL
2026-02-26 05:20:23
0
MezzoPazzo :
Seeing that machine, the screens, the projection literally brings me back to the late 90s and early 2000s
2026-01-24 02:29:47
0
mattcorgan :
You're so pretty
2026-01-20 05:19:49
0
Richard Barnes412 :
lol love these things! They would shut off the lights and tell you to stay awake and if the teacher was monotone you would be fighting for your life to try and stay awake.
2026-01-19 05:34:41
4
Justin :
Most of them were probably surplus military equipment, because I've never seen one for sale in an office supply store.
Also schools built during the world wars and especially during the Cold war were purposely designed to be easily fortified fighting positions in case of invasion.
2026-01-19 16:44:13
1
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