Scientists in the United States have created a small device that produces a tiny electrical signal from Earth’s natural rotation. Although the voltage is extremely small, the experiment shows that ...

Washington’s Carnegie Institution, which does “significant research toward philosophical goals,” has been looking at the earth philosophically for several years. Last week its annual yearbook reported ...

The importance of bonding and grounding in commercial, industrial, and institutional buildings cannot be overstated. The grounded circuits of machines need to have an effective return path from the ...

This gorgeous 20-second exposure of lightning striking the Bay Bridge in San Francisco went viral in April 2012. Clear skies rarely prevail at the mouth of the Catatumbo River in Venezuela. Here, it ...

A DIFFICULTY in connexion with electric supply when metal sheathing of electric wiring and apparatus is employed is how to connect this sheathing to earth in such a way that, in the event of it ...