Learn 3d printing skills / CNC skills / coding & encoding skills / programming skills via making/assembling a useless one person mechanical TV[0][2] broadcasting station[3] with paper tape recording[1].
Today's off the shelf hardware/software makes for a 'relatively' easy software 'mechanical tv'.
original pearl programming : https://www.youtube.com/watch?v=gALLuttm8tI
1920's VCR : https://pinshape.com/items/108598-3d-printed-paper-tape-reader-machine