Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. Until the late 1700s there were no standard units. After ...
On May 20, 1875, the so-called Metre Convention was ratified in Paris. With this agreement, the signatories undertook to support meters and kilograms in science and research as well as in economic ...
DEFINITION: A digital device which measures the total energy used in the same way as a traditional meter, but can also ack when energy is used and how much it costs, highlighting opportunities for ...