 Toronto astronomers have also discovered the Uranian moons of Caliban and Sycorax, the dwarf galaxies of Andromeda I, II and III, and the supernova SN 1987A.A pioneer in computing technology, the university designed and built UTEC, one of the world's first operational computers, and later purchased "Ferut", the second commercial computer after UNIVAC I. Multi-touch technology was developed at Toronto, with applications ranging from handheld devices to collaboration walls.The AeroVelo Atlas, which won the Igor I. Sikorsky Human Powered Helicopter Competition in 2013, was developed by the university's team of students and graduates and was tested in Vaughan.