"You are struck by a great idea out of the blue, and then you lose it minutes later?" Not Great Ideas, no. But faint echoes, suddenly noticed connections, thi

"You are struck by a great idea out of the blue, and then you lose it minutes later?" Not Great Ideas, no. But faint echoes, suddenly noticed connections, things that 'ring a bell', yes, I can lose those. And I need to 'listen to faint signals' in teaching. Think little used synaptic pathway glowing for 30 seconds then dimming... So I have an A6 notebook and pen around.