# Nuclear semiotics |  | Long-term nuclear waste warning messages are communication attempts intended to deter human intrusion at nuclear waste repositories in the far future, within or above the order of magnitude of 10,000 years. **Nuclear semiotics** is an interdisciplinary field of research, first done by the American Human Interference Task Force in 1981. | |-|-| | | wikipedia:: [Long-term nuclear waste warning messages](https://en.wikipedia.org/wiki/Long-term_nuclear_waste_warning_messages) |