I'm just gonna throw together a name list of channels the household enjoys watching together. Some are more mellow than others. Forgive me for not including actual channel links.
Aging Wheels &
Under Dunn - Weird tiny and electric cars and woodworking/maker channels from the same guy, Rob Dunn - sound caution since ASMR's been mentioned, he's a bit... bombastic, but the humor is excellent
Auralnauts - BEHOLD! THE GREATEST ACHIEVEMENT IN THE UNIVERSE!
THE SINGULARITY ENGINNNEEEE!!! CAN YOU SEE ME NOW FATHER? YOU'LL NEVER LEAVE AGAIN! Culture remix and music channel. Come for the Jedi Party, stay for Banana Time, and then join the copper resistance
bigclivedotcom - Gentle, low-key electronics teardowns and reverse engineering
Calum - Deep dive research videos on historically curious and rarely discussed vehicles and technology, and restoration of old tools. His recent video on Jacques Cousteau's Calypso exploration ship is fascinating
Internet Historian - Deep dive research videos on (mostly modern/internet era) historically curious events with a heavy dose of humor
Jay Foreman - Random videos covering map oddities and facts about London... delivered with dry British humour
Ryan's Edits - Silly Star Trek stuff, mostly "intakes"
like thisTechnology Connections - Interesting deep dive videos on random bits of technology
The Tim Traveller - Short travel videos on weird transit oddities, abandoned locations and geographic pedantry delivered with humor and good music
This Old Tony - Machinist, metalworking and engineering with a sense of humor. Since ASMR is mentioned, he's got
one of those videos (caution, not actually ASMR)
with trial & error - Baking and confection making channel