| A | B |
| Copernicus Publishes Heliocentric theory | 1543 |
| Brahe dicovers a nove | 1572 |
| Janssen invents the microscope | 1590 |
| Kepler publishes fist two laws of planetary motionq | 1609 |
| Bacon's book encourages experimental method | 1620 |
| harey reveals how the human heart works | 1628 |
| Torricelli invents barometer | 1643 |
| Boyle figures out the relationship between gas and pressure | 1662 |
| England establishes Royal society to support scientific study | 1660 |
| Leeuwenhoek observes bacteria through a microscope | 1674 |
| Newton publishes law of gravity | 1714 |