Objects connected with the breastplate of the high priest, and used as a kind of divine oracle Joseph Smith, Jr. said he found on the hill Cumorah with the golden plates. - Total bull shit. that's where the phrase "talking out of one's hat" came from - because that is exactly what the founder of LDS did.
Do you know ptosis, that the principle by which this urim and thummim works controls the galactic and planetary movements. Do you remember the 12 zodiac signs and the twelve tribes of Israel? Even the simple atomic structure of all elements were born out of its divine law? So I advice you not to call what you do not understand bull shit because very soon the whole world and the univers will be monitored and governed by its laws which are God's laws. Ask the Jews especially the priests, they will enlighten you more.