二
=
一
:
Mnemonic symbol: a capacitor, because the two strokes remind me of the symbol in electrical drawings. Albert Einstein (Ø) is experimenting with a capacitor (二) in the space station's bathroom (Ø4). He finds that it's uncomfortable to discharge a capacitor using two flutes (一).
key (on a piano or computer keyboard) / button (on a mouse or other device) / chemical bond / linchpin
键
=
建
+
钅
:
Blob the Builder (建) built a fort out of keyboard keys (键) to defend against Joan of Arc (ji) who attacks him and his fort with a golden harpoon (钅) in the anthill's bathroom (an4).
