The first seismograph was built by Zhang Heng nearly two millennia ago, in the days of the Han Dynasty. It could indicate the general direction of an earthquake’s epicenter by dropping a bronze ball ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NEW YORK -- Oct. 7, 2014 -- Paul Tapper, NUGEN Audio co-founder and technical director, will ...

Flow meters are used to measure the rate of flow of liquids or gases, just like electric meters measure the amount of electricity consumed. However, unlike electric meters, which are either ...

NEW YORK — Oct. 7, 2014 — Paul Tapper, NUGEN Audio co-founder and technical director, will present a tutorial session on audio metering at the 137th AES (Audio Engineering Society) Convention, which ...