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.
(The Magnetic Compass invented in the 1st century by people in the Han Dynasty). The Magnetic Compass was created early in the 1st century CE when a man in China noticed that lodestone acted like a magnet and could be used to show direction.Back then the compass looked completely different than it does today.nother great invention in the Han Dynasty time period is paper. Paper was created in the 2nd century BCE. Before paper scholars were writing on rolls of silk which was not a bad source for writing.