In storms or other turbulence, pilots need to know how the plane is orientated and the angle at which the plane is tilted toward Earth’s surface. If the plane’s nose is tilted downward at a 45-degree ...

Twenty-seven right eyes of 27 volunteers were examined using a manual keratometer (MK), automated keratometer (AK), and an IOLMaster. MK and AK measurements were performed in the upright head position ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. It may seem obvious that surveyors, ...