The Italian Renaissance master Leon Battista Alberti, published in 1485, a treatise on the theory of architecture called De reaedificatoria (On the Art of Building). Continue reading
The Italian Humanist polymath Leon Battista Alberti published the concept for Angled Fortifications to protect against bombardment. Continue reading
Christopher Columbus (c. 1451 – 20 May 1506) was an Italian explorer, navigator, and colonizer. Born in the Republic of Genoa, under the auspices of the Catholic Monarchs of Spain he completed four voyages across the Atlantic Ocean. Continue reading
Pons Aemilius, built across the Tiber Riber in Rome, Italy, in 179 BCE, is considered the first stone bridge Continue reading
Archeological evidence shows that the disease was suffered by Native Americans many centuries before European contact, this has lead to the wide spread belief that the disease was transmitted to the rest of the world following the voyages of Christopher Columbus in 1492. Continue reading
Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography. Continue reading
The contact lens were imagined and sketched his designs was the Italian artist and scientist Leonardo da Vinci, in 1508. Later in 1632 the French philosopher Rene Descartes conceived of corneal contact lens.
1508 / 1632
Leonardo da Vinci,
- Leonardo da Vinci – Wikipedia
Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
- Da Vinci to Disposable: A History of Contact Lenses – 1800contacts.com
When you think about contact lenses, you probably don’t picture wearing a bowl of water on your head, but strangely enough, that’s how they began. In his 1508 “Codex of the Eye”, Italian inventor Leonardo da Vinci speculated that submerging the head in a bowl of water could alter vision.
- When Were Contact Lenses Invented? – AllAboutVision.com
Though contact lenses seem to be a recent phenomenon, the famous Italian architect, mathematician and inventor Leonardo da Vinci (1452-1519) produced the first known sketches (in 1508) that suggested the optics of the human eye could be altered by placing the cornea directly in contact with water.
- A Brief History of Contact Lenses
1508 Leonardo da Vinci illustrates the concept of contact lenses
- Contact lens – Wikipedia
A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye. Contact lenses are considered medical devices and can be worn to correct vision, or for cosmetic or therapeutic reasons.
- The Evolution of Contact Lenses: From Da Vinci to Electronic Lenses …
As of 2012, there were 34 million Americans and 71 million people worldwide who wore the thin film inserts known as contact lenses over their eyes for some form of vision enhancement, according to the U.S. Environmental Protection Agency.
Christopher Columbus wrote a letter to the monarchs of Spain in March 1493, this eyewitness report to become a best-seller was this letter. Continue reading
Leonardo da Vinci, created a lantern made of metal with a chimney Continue reading
Mechanical ventilating fan was invented in China circa 180 CE. Continue reading