@plexus is the bicycle too obvious an answer?
@plexus if it needs to involve electrons, then cables. many things that have a battery don't need it, many things that have wlan/bluetooth don't need it
@plexus a bicycle is made of atoms, so it technically and literally involves electrons 🤔
@porras definitely counts!
@plexus if it needs to involve electrons, then cables. many things that have a battery don't need it, many things that have wlan/bluetooth don't need it