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Scientists have shown that an obsidian hand-mirror once owned by the Renaissance polymath John Dee has Aztec origins, thus confirming a longstanding mystery. John Dee was quite the character. Born in ...

When Elizabeth I’s scientific adviser and “philosopher” John Dee died in 1609 at the age of 81 he left behind a trove of unusual artifacts. Among them was his speculum, a hand mirror made of polished ...

There are plenty of ways to deal with chemical waste: You could ship it across the ocean. Or pump in into Ohio. Or, you could use a Back to the Future-style process that “recreates the conditions ...

Researchers have determined that an obsidian mirror believed to have been owned by the sixteenth-century English polymath John Dee originated in the Aztec world. Dee served as a scientific adviser and ...

Mirrors have haunted human consciousness for thousands of years, serving as gateways between reality and the unknown. These seemingly simple reflective surfaces have sparked countless superstitions, ...

An exhibition that opened yesterday at the National Palace Museum in Taipei features a 400-year-old obsidian mirror associated with the Aztec deity Tezcatlipoca. The mirror is being displayed in ...

To summon spirits, sixteenth-century English astrologer John Dee, a confidant of Queen Elizabeth I, gazed into a mirror made of polished stone. Now, researchers have confirmed that Dee’s mirror has ...

LONDON, ENGLAND—According to a CNN report, Stuart Campbell of the University of Manchester and his colleagues examined several obsidian objects held at the British Museum. One of the objects, a mirror ...