ATArs Technicaπ€Did a medieval flying monk spot Halley's comet, twice? It's complicatedEarly in the 11th century, a young Benedictine monk named Eilmer jumped from the 150-foot tower of his abbey in the small English town of Malmesbury, wearing a pair of crude wings heβd fashioned from willow wood and c...By Jennifer Ouellette[1] Ars Technica6/14/2026, 5:34:26 PM00000