In dictionaries:
Applied Physics Laboratory
The Johns Hopkins University (or simply Applied Physics Laboratory, or APL) a not-for-profit university-affiliated research center in Howard County, Maryland.
Advanced Propulsion Physics Laboratory
The Advanced Propulsion Physics Laboratory or "Eagleworks Laboratories" at NASA's Johnson Space Center is a small research group investigating a variety of theories regarding new forms of spacecraft propulsion.
Princeton Plasma Physics Laboratory
a United States Department of Energy national laboratory for plasma physics and nuclear fusion science.
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