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.
In 1612, the Italian inventor Santorio Santorio became the first inventor to put a numerical scale on his thermoscope. It was perhaps the first crude clinical thermometer, as it was designed to be place in a patient's mouth for temperature taking.Both Galilei's and Santorio's instruments were not very accurate.n 1654, the first enclosed liquid-in-a-glass thermometer was invented by the Grand Duke of Tuscany, Ferdinand II. The Duke used alcohol as his liquid.