Stratolaunchs big bird takes to the sky. (Stratolaunch Systems Corp.) When Stratolaunchs behemoth, one-of-a-kind airplane made its first flight April 13, it became the airplane with the largest wingspan—385 feet—ever to fly. Stratolaunch calls the airplane Roc, after the giant eagle of Arabian mythology.
Similarly, is the Phoenix an eagle? Phoenix. Phoenix, in ancient Egypt and in Classical antiquity, a fabulous bird associated with the worship of the sun. The Egyptian phoenix was said to be as large as an eagle, with brilliant scarlet and gold plumage and a melodious cry.
Accordingly, are elephant birds real?
Elephant bird. Elephant birds are members of the extinct ratite family Aepyornithidae, made up of large to enormous flightless birds that once lived on the island of Madagascar. They became extinct, perhaps around 1000–1200 CE, probably as a result of human activity.
What is the ROC?
A receiver operating characteristic curve, or ROC curve, is a graphical plot that illustrates the diagnostic ability of a binary classifier system as its discrimination threshold is varied. ROC analysis is related in a direct and natural way to cost/benefit analysis of diagnostic decision making.