nostr:npub1nllc7znv5lhcvct3qpmyds4uhc3r3xf36kf3xmuxlky4q2etdkks9u6swz nostr:npub1zdp33shl69xr0uq3x8n5gsjykq9upycwh6nqm02c3f6x0frrn0dq42vqv8 Also there's some work on "vacuum tube" successors that combined the benefits of semiconductors—vacuum channel transistors: https://spectrum.ieee.org/introducing-the-vacuum-transistor-a-device-made-of-nothing