Two sculptures beside the beautiful canal bridge at Broombridge, in memory of the day in 1843 that 38-year-old William Rowan Hamilton, walking with his wife Helen, scratched the recipe for quaternions into the stone of the bridge in case he'd forget it later
#Quaternions #RowanHamilton #Broombridge

Qui dit vacances en #Irlande, dit passage obligé par le #BroomBridge, là où le mathématicien et physicien #Hamilton a découvert la formule fondamentale des quaternions !