What was the three greatest inventions of Elizabethan era?

It's difficult to pinpoint the "three greatest" inventions of the Elizabethan era, as "greatest" is subjective and depends on what criteria you're using. However, here are three notable inventions from that period and why they were significant:

1. The Telescope: While not invented by an Elizabethan, the invention of the telescope in the Netherlands around 1608 had a profound impact on the Elizabethan era. This new tool allowed scientists to see the heavens in a whole new light, revolutionizing astronomy and leading to discoveries like the phases of Venus and the moons of Jupiter.

2. The Microscope: Similarly, the invention of the microscope around 1590, although not directly attributed to someone in England, opened up a whole new world at the microscopic level. This allowed scientists to study the anatomy of living organisms and paved the way for the study of cells and bacteria.

3. The Printing Press: While the printing press wasn't invented during the Elizabethan era (Gutenberg's invention occurred in the 15th century), its widespread use and impact during this time were significant. The printing press enabled the mass production of books, leading to a surge in literacy and the spread of ideas. This played a crucial role in the flourishing of the Renaissance and the Reformation.

These are just a few examples of inventions that impacted the Elizabethan era. Other notable innovations include improvements in shipbuilding, navigation, weaponry, and agricultural practices.