This collection offers the first comprehensive and definitive account of Martin Heidegger's philosophy of technology. It does so through a detailed analysis of canonical texts and recently published primary sources on two crucial concepts in Heidegger's later thought: Gelassenheit and Gestell. Gelassenheit, translated as 'releasement', and Gestell, often translated as 'enframing' or 'positionality', stand as opposing ideas in Heidegger's work whereby the meditative thinking of Gelassenheit counters the dangers of our technological framing of the world in...