tellmewhai
Everyday engineering, explained in under a minute.
tellmewhai makes short videos about how ordinary machines work: why a fridge stays cold, how a seatbelt locks, what stops an elevator from falling.
tellmewhai uploader
The channel uses a small private tool, "tellmewhai uploader", to send its own finished videos to its own YouTube and Instagram accounts. Only the channel owner uses it. It is not offered to other people.