time traveler The Future Hey Bill Nye! How Will We Know When to Believe a Time Traveler? If someone comes back from the future, they ought to have packed one thing in their carry on: proof. ▸ 4 min — with Bill Nye, The Science Guy
The Future Hey Bill Nye! How Will We Know When to Believe a Time Traveler? If someone comes back from the future, they ought to have packed one thing in their carry on: proof. ▸ 4 min — with Bill Nye, The Science Guy