Anstett
Emperor Mongoose
A couple of the real world science related channels I watch use NASA's Technology Readiness Levels (I can't link yet so search the web for "nasa trl") to take a rough guess at when a particular technology will become available or what challenges still need to be solved.
Technology Readiness Levels - NASA
Technology Readiness Levels (TRL) are a type of measurement system used to assess the maturity level of a particular technology. Each technology project is
