Regarding the time the brain scan itself takes: it is usually 45 to 50 minutes. The scan is of the entire brain not just the IAC's. The contrast is administered IV for the latter part of the scan when the IAC's are checked. There is no meaning attached to the time the scan requires.
What is Ether? Ether is a necessary element -- a fuel -- for operating the distributed application platform Ethereum. It is a form of payment made by the clients of the platform to the machines executing the requested operations.
In the ether typically means being transmitted by radio from one place to another. (Radio waves being transmitted by it.) More generally in the sky or space.Ether is an alternative spelling of Aether the Greek word for the upper sky.Source(s): http://en.wikipedia.org/wiki/Aether_(cla... http://en.wikipedia.org/wiki/Luminiferou...nswers. Best Answer: In early scientific theories light was considered to be a wave. Since waves are disturbances of some kind of medium, and light can travel in a vacuum without air, scientists invented the concept of the luminiferous ether-a mysterious substance that allowed light waves to be transmitted.