This is because plastics technology has advanced significantly since the 1950s.
By contrast, civilian rifle design has not significantly advanced since the early part of the 20th century.
"Together, we could significantly advance scientific understanding of the magnetosphere."
Articles exploring the subject go back to the 1950s, but both military and fuel cell technology have advanced significantly since then.
The grants are intended to significantly advance recipients' art and careers.
The new reports are not expected to significantly advance what is known about Iraq's chemical and missile warhead programs.
Nor do we know whether your presence can significantly advance the date at which we make contact.
Research on the measures has advanced significantly in the last two decades, and readers are advised to consult the most recent works.
Since its establishment in 1977 the department has advanced significantly and is now viewed as a leader in the field of international management development.
Award winners are recognized for achievements that significantly advance the field of rehabilitation.