“There hasn’t been a lot of progress in the field—all the problems we talked about ... because they’re dedicated to the idea of interstellar travel,” says Les Johnson, a physicist ...

This happens in Interstellar, as the future humans send back their knowledge of time travel that is later passed ... encounter in the first place. This problem doesn’t exist in Nolan’s ...

A new lightsail design with nanoscale thickness could help lay the path for interstellar travel at speeds around one-fifth the ... in solving such an interesting and difficult engineering problem.” ...

"The experimental breakthrough of Richard's team proves their fabrication process is scalable to the dimensions needed for interstellar travel and ... engineering problem." The research is a ...