Lunes (Mathematics)

What are Lunes? Check out this absolutely interesting video:

The Lune of Hippocrates


Featured book:

A History of Greek Mathematics, Volume II: From Aristarchus to Diophantus (Dover Books on Mathematics)

“As it is, the book is indispensable; it has, indeed, no serious English rival.” — Times Literary Supplement
“Sir Thomas Heath, foremost English historian of the ancient exact sciences in the twentieth century.” — Prof. W. H. Stahl
“Indeed, seeing that so much of Greek is mathematics, it is arguable that, if one would understand the Greek genius fully, it would be a good plan to begin with their geometry.”