2016 Oklahoma earthquake

src: www.dutchsinse.com The 2016 Oklahoma earthquake occurred on September 3, 2016 near Pawnee, Oklahoma. Measuring 5.8 on the moment magni...

1700 Cascadia earthquake

src: memoriesofthepeople.files.wordpress.com The 1700 Cascadia earthquake occurred along the Cascadia subduction zone on January 26 with an...

Magnet

src: www.poison.org A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible fo...

R. G. LeTourneau

src: i.ytimg.com Robert Gilmour LeTourneau (November 30, 1888 - June 1, 1969), was born in Richford, Vermont, and was a prolific inventor o...