hologram

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holography diagram

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Calendar showing the month of February

Why Are There Only 28 Days in February?

Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

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

Chapter 4 pg 42 - Chapter header of The Adventures of Tom Sawyer by Mark Twain. Published in 1884 by The American Publishing Company

Periods of American Literature

earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.

The 6 Deadliest Earthquakes Since 1950

Prisoners of Buchenwald concentration camp, near Weimar, Germany, April 16, 1945, liberated by American troops of the 80th Division. Elie Wiesel (7th from the left on the middle bunk next to the vertical post) World War II Holocaust

What Is the Origin of the Term Holocaust?

hologram: Media

optics

Images

holography diagram

holography diagram

Figure 2: Arrangements for (left) creating a hologram and (right) reconstructing...

Encyclopædia Britannica, Inc.

hologram graphic

hologram graphic

Figure 1: Gabor's original method for creating holograms.

Encyclopædia Britannica, Inc.