The Sunday Times’ tech correspondent brings on Daniel Wiegand, founder of Lilium, to talk about how he got hooked on the idea of air taxis (3:00), being a first-time founder (4:20), reimagining the hair dryer (6:20), building the first prototype (8:30), why science is his friend (11:10), starting with pilots (13:05), why silence is golden (15:20), how Lilium plans to launch its own air taxi service (17:50), being as cheap as ride-hailing (21:00), why cities are interested (23:20), learning on the job (24:05), what China wants (27:00), what the world looks like in 2039 (29:35), why he doesn’t just want to be a manufacturer (31:40), looking at Africa (35:50), why batteries are critical (36:35), his worst day of work (38:10), and why the air taxi boom is happening now (40:20).