Search Results: X ray crystallography

Ray Stevenson as the English pirate Blackbeard, aka Edward Teach (d. 1718) in the TV series Black Sails. © 2014 Starz

View full lesson: http://ed.ted.com/lessons/a-glimpse-of-teenage-life-in-ancient-rome-ray-laurence Welcome to the world of Lucius Popidius Secundus, a 17-year old living in Rome in 73 AD. His life is a typical one of arranged marriages...

The sweat lodge is a temporary or permanent structure integral to Native American culture and frequently used in spiritual ceremonies. The lodge is often a low, dome-shaped, structure heated by hot rocks which produce steam as water is poured...

Archimedes (l. 287-212 BCE) was a Greek engineer and inventor who is regarded as the greatest mathematician of antiquity and one the greatest of all time. He is credited with a number of inventions still in use today (such as the Archimedes...

The city of Mandu is situated about 35 km from Dhar in the Madhya Pradesh region of northern-central India. Most of the city's monuments date to the 15th and 16th century CE. The city is located on a hill which rises 633 m above the sea level...

Johannes Kepler (1571-1630) was a German astronomer and mathematician most famous for creating what was up to that point the most accurate model of planetary astronomy with his three laws of planetary motion. Kepler was the first to present...

The Sweet Track is a Neolithic timber walkway, located in the Somerset Levels, England. It was originally part of a network of tracks built to provide a dry path across the marshy ground. The Sweet Track ran between what was then an island...

Khaemweset (also given as Khaemwaset, Khaemwise, Khaemuas, Setem Khaemwaset, c. 1281-c.1225 BCE) was the fourth son of Ramesses II (1279-1213 BCE) and his queen Isetnefret. He is the best known of Ramesses II's many children after the pharaoh...

The Arthashastra (or Arthaśāstra) is one of the oldest surviving treatises on statecraft. There is considerable debate about the dating and authorship of the text; it underwent compilation, recension, and redaction several times over the...

An image of the remnants of Tycho's Supernova, first observed by Tycho Brahe (1546-1601) in November 1572. Image taken by NASA's Chandra X-ray Observatory.