-
Feb 25, 1522
The Globe
Ferdinand Magellan famously completes the first circumnavigation of the globe.. The circumference of the earth at the equator is 24,901.55 miles. Ferdinand Magellan was born in Portugal, circa 1480.His parents were members of the Portuguese nobility, so after their deaths, when he was just 10 years old, Magellan became a page for the queen. In his mid-20s, Magellan joined a Portuguese fleet that was sailing to East Africa. -
Feb 25, 1569
Cartographic Projection
The noted cartographer Gerard Mercator publishes his justly famous cartographic projection system. Mercator’s family had moved from Germany to Flanders shortly before he was born. Religious doubts assailed him about this time, for he could not reconcile the biblical account of the origin of the universe with that of Aristotle. In 1544 he was arrested and imprisoned on a charge of heresy. Between 1559 and 1562 he taught mathematics in the grammar school. -
Decimals
In mathematics, Simon Stevin proposes the use of decimals. Decimals are import to see that numbers have different prices. -
Projectile
Galileo Galilei demonstrates that a projectile follows a parabolic path.Galileo Galilei, an astronomer, physicist, mathematician, and inventor, is one of the most famous scientists of all time. He was born in Pisa Italy. -
Telescope
The telescope was invented in the Netherlands; it employs a convex objective lens and a concave eyepiece. It's an important invention because it has helped us understand what's in the galaxy. -
First Reflecting Telescope
Isaac Newton builds his first reflecting telescope; the design, which includes an eyepiece and a concave mirror, is known today as 'Newtonian'. -
Speed of light
Ole Roemer uses astronomical observations to derived the speed of light, which he demonstrates is finite. Was not looking for the speed of light when he found it. Instead, he was compiling extensive observations of the orbit -
First Calculus Textbook
Publication of the first textbook on the calculus by the Marquis de L'Hôpital. Bernoulli is the discoverer of the rule. In the introduction to his textbook L'Hopital acknowledges his indebtedness to Leibniz, Jacob Bernoulli and Johann Bernoulli but L'Hôpital regarded the foundations provided by him as his own ideas. He was a French nobleman at the time. -
Berlin Academy
Gottfried Wilhelm von Leibniz organizes and establishes the Berlin Academy of Science. The archive of Berlin's Academy of Sciences was established soon after the foundation of the Electoral Brandenburg Society of Sciences -
Short Cronology
Newton refuses to grant publication of Short Chronology but publishes it later that year. Newton suffers inflammation of his lungs and moves to Kensington. Birth of Isaac Newton in Woolsthorpe, England. In1665 Newton receives his bachelor of arts from Trinity College.
