A map of the then known world in the 3rd century BCE, by Eratosthenes from Libya, includes Libya, Egypt and part of Europe, together with land as far east as India and Sri-Lanka (Ceylon) and as far west and north as what?
Archimedes is the first person recorded to have designed and built an elevator, in about 236 BC. Who is credited with introducing the safety elevator, which did not fall if the cable broke?
What do the writings - by historian Sima Qian 2nd century BCE in the "Shiji"; by Saint Augustine in "Confessions" about 400 CE; in "The Book of Margery Kempe" 1438; by Enea Silvio Piccolomini (then Pope Pius II) in "Commentarii" 1458-1464 - have in common?
