Modern obelisks, big and small, are found all over the world and the U.S. from the Washington Monument, to war memorials, to the grave markers of presidents (Washington, Jefferson, and Lincoln's tombs all include obelisk memorials).
Vanadium was named after the Scandinavian goddess of beauty, youth, and luster. It is a controversy as to whether vanadium is an essential trace mineral in human nutrition. Although it has been suggested to function in hormone, cholesterol, and blood sugar metabolism, no specific deficiency signs have been reported.anadium was named after the Scandinavian goddess of beauty, youth, and luster. It is a controversy as to whether vanadium is an essential trace mineral in human nutrition. Although it has been suggested to function in hormone, cholesterol, and blood sugar metabolism, no specific deficiency signs have been reported.
Hydrothermal processing of vanadium pentoxide and graphene oxide creates graphene-coated ribbons of crystalline vanadium oxide, which show great potential as ultrafast charging and discharging electrodes for lithium-ion batteries.