Red blood cell oxygen has been released the resulting deoxyhemoglobin is of a dark red burgundy color. However, blood can appear bluish when seen through the vessel wall and skin. Pulse oximetry takes advantage of the hemoglobin color change to directly measure the arterial blood oxygen saturation using colorimetric techniques. Hemoglobin also has a very high affinity for carbon monoxide, forming carboxyhemoglobin which is a very bright red in color. Flushed, confused patients with a saturation reading of 100% on pulse oximetry are sometimes found to be suffering from carbon monoxide poisoning. Having oxygen-carrying proteins inside specialized cells (as opposed to oxygen carriers
The Machine Stops (album) The Machine Stops (album) The Machine Stops is a concept album by space rock band Hawkwind, released on 15 April 2016. It is inspired by the E.M. Forster novel of the same name. It is Hawkwind's twenty-ninth studio album, Hawkwind's first album recorded without the involvement of Tim Blake since 2010's "Blood of the Earth" and the first to feature bassist Haz Wheaton. Following "Spacehawks", which was a compilation album largely consisting of re-recorded songs, and "Stellar Variations" which had been released under the Hawkwind Light Orchestra moniker, "The Machine Stops" is Hawkwind's first studio album composed entirely of new