optical invariant

Directory

References

Discover

Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.

How Rye Bread May Have Caused the Salem Witch Trials

Rainbow flag. Sign of diversity, inclusiveness, hope, yearning. Gay pride flag popularized by San Francisco artist Gilbert Baker in 1978. Inspired by Judy Garland singing Over the Rainbow. gay rights, homosexual, gays, LGBT community

13 LGBTQ Writers You Should Read

Close up of praying mantis walking on stone ground against a blurred background in Japan

6 Animals That Eat Their Mates

Statue of Nostradamus

Nostradamus and His Prophecies

Wasp spider. Argiope bruennichi. Orb-weaver spider. Spiders. Arachnid. Cobweb. Spider web. Spider's web. Spider silk. Black and yellow striped wasp spider spinning a web.

Do We Really Swallow Spiders in Our Sleep?

pulmonary veins and arteries, circulation, cardiovascular system, human anatomy, (Netter replacement project - SSC)

13 Questions About How the Human Body Works Answered

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

optical invariant

optics

Learn about this topic in these articles:

major reference

In optics: Magnification: the optical invariant
It is frequently as important to determine the size of an image as it is to determine its location. To obtain an expression for the magnification—that is, the ratio of the size of an image to the size of the object—the following process…
Read More