Bismuth Is a Chemical Element With An Amazing Iridescent Oxide Surface Bismuth is a chemical element with symbol Bi and atomic number Bismuth, a pentavalent post-transition metal, chemically resembles arsenic and antimony.
ronbeckdesigns: “Carved stone balls found across Bosnia are similar to ones found in Costa Rica. 390 stone balls have been found in Costa Rica, all finely finished. People who found them said they are always found in groups of three in a triangle &.
Even NASA cannot explain it. It’s best to gaze in wonder at the sliding rocks on this dry lake bed in Death Valley National Park. Racetrack Playa is almost completely flat, miles from north to south and miles from east to west, and covered with cr
The Moeraki Boulders, Koekohe Beach, New Zealand’s The huge, gray, spherical boulders formed in sediment on the sea floor 60 million years ago were revealed by shoreline erosion - can weigh several tons & measure 10 feet across.
Cathedral of Salamanca constructed in 1102 features magnificent stone carvings on all its walls, but one of them appears to be a fully dressed astronaut in a space suit. What a century astronaut is doing on the walls of a c.