potency of the material

Seen twice now Russian work rediscovered by Scandinavians: activity theory, and Hambardzumyan's inverse eigenvalue problems. also Margulis' forward to Symbiogenesis on Kozo-Polyansky

Josef Albers encouragement to build a group of people sharing bits of coloured paper, I imagine as like the culture of mineral 'micromounters', and relights my imagining our orchestration club