where is the second located?
Roane County section of the city of Oak Ridge, Tennessee
Oak Ridge National Laboratory
. ORNL is located in the Roane County section of the city of Oak Ridge, Tennessee. 
what is tennessine? A synthetic chemical element by whom was it discovered? The Joint Institute for Nuclear Research team, the Oak Ridge National Laboratory and Vanderbilt University
wiki:11607828
Oak Ridge National Laboratory [SEP] Introduction
Oak Ridge National Laboratory (abbreviated as ORNL) is an American multiprogram science and technology national laboratory sponsored by the U.S. Department of Energy (DOE) and administered, managed, and operated by UT–Battelle as a federally funded research and development center (FFRDC) under a contract with the DOE. Established in 1942, ORNL is the largest science and energy national laboratory in the Department of Energy system (by size) and third largest by annual budget. ORNL is located in the Roane County section of the city of Oak Ridge, Tennessee. ORNL's scientific programs focus on materials, neutron science, energy, high-performance computing, systems biology and national security.