The existing measurement is already very precise and one of the most well-defined measurements in physics . The mile - wide , 15-ton barge is now at a lab on Long Island . It has to get to a lab near Chicago , where it will help analyze subatomic particles . The barge - and - truck trip will go down the East Coast , around Florida and up from the Gulf . The trip is scheduled to begin Saturday .
The mile - wide , 15-ton barge is now at a lab on Long Island . It has to get to a lab near Chicago , where it will help analyze subatomic particles . The barge - and - truck trip will go down the East Coast , around Florida and up from the Gulf . The trip is scheduled to begin Saturday .