minus-squarekernelle@lemmy.worldtoToday I Learned@lemmy.world•TIL TIL: LaserDiscs were first marketed and sold in 1978 — and they were originally called DiscoVision!linkfedilinkEnglisharrow-up19·7 months ago 30 cm diameter 450 rpm for NTSC, 375 rpm for PAL Oh so it’s a helicopter linkfedilink
Oh so it’s a helicopter