Medicare Eligibility. Do you have questions about what it takes to be eligible for Medicare? In this article, weâll outline the Medicare eligibility requirements so that you can enroll in the Medicare program, which is overseen by the Centers for Medicare & Medicaid Services (CMS) via Medicare.gov.
The first compass was invented around 247 B.C. in China and by the eleventh century it was used for navigation.In medieval Europe around 1300 the dry compass was invented and was replaced by the liquid filled magnetic compass in the early twentieth century.A compass is a navigational instrument which is used for determining the direction related to the Earthâs magnetic poles.n medieval Europe around 1300 the dry compass was invented and was replaced by the liquid filled magnetic compass in the early twentieth century. A compass is a navigational instrument which is used for determining the direction related to the Earthâs magnetic poles.
But the 32 points did remind sailors of a certain flower, so the directions on the compass card were called the compass rose they looked like the petals of a rose. When the first compasses come in to use in the Mediterranean, the directions were named for the wind direction.