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 ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Think of the most fussy science teacher you ever had. The one who ...

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 ...