> If we burned this planet down and waited 700,000,000 years, would remnants of our civilisation remain? I've seen this discussed a bunch over the years, and t

> If we burned this planet down and waited 700,000,000 years, would remnants of our civilisation remain? I've seen this discussed a bunch over the years, and the informed answer to me seems to be that various isotopes and such would remain in trace amounts as clear evidence of technology.