Labels:bulletin board | encyclical | fence | railing | sky OCR: that grand unified theory (GUT) and unifies the electromagnetic strt weak forces. ing imaginary time Time easured imaginary numbers. that light cone surface in space- ti or light marks out the possible directior rays passing through given ev nce light- second (light year) The di traveled by light in one second for magnetic field The field respon along magnetic forces, now incorporat with the electric field, into the electromagnetic field. theort electroma ignetic vear magnetc