There was a time when a zig-zagging line didn't mean two, and a circle didn't mean zero. NPR's Eric Westervelt talks with Amir Aczel about the origins of our numbers and his book, Finding Zero. So ...
This inscription, written in Old Khmer, reads “The Caka era reached year 605 on the fifth day of the waning moon.” The dot (at right) is now recognized as the oldest known version of our zero. Amir ...
The number zero is something we all take for granted, yet its conceptual origin has eluded archaeologists and historians. An updated analysis of an ancient Indian manuscript is shedding new light on ...
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