Marco Tempest and his quadcopters perform a mind-bending display that feels equal parts science and magic at TEDSummit: A Community Beyond Borders, July 23, 2019, in Edinburgh, Scotland. (Photo: Bret Hartman / TED) In an incredible session, speakers and performers laid out the biggest problems facing the world — from political and economic catastrophe to…

via The Big Rethink: Notes from Session 3 of TEDSummit 2019 — TED Blog