Guðmundr of the sheaf in Norwegian Yule celebrations. According to "Hervarar saga ok Heiðreks", the Norwegians came to see Guðmundr as a god; Höfler argued that in both the wolf-form suggested by "Úlfhéðinn" and the horse-form suggested by "faxi", Guðmundr was a death-demon and his death-horse the prototype of the death-horse Sleipnir portrayed on the Gotland picture stones. Ingemar Nordgren regards the first Guðmundr as "a cult-god" and his son, the Guðmundr of the sagas, as portraying him in theriomorphic form, and suggests that he is either an earlier fertility god who came to be identified with Óðinn and that Glæsisvellir
Legged robot Legged robot Legged robots are a type of mobile robot which use mechanical limbs for movement. They are more versatile than wheeled robots and can traverse many different terrains, though these advantages require increased complexity and power consumption. Legged robots often imitate legged animals, such as humans or insects, in an example of biomimicry. Legged robots can be categorized by the number of limbs they use, which determines gaits available. Many-legged robots tend to be more stable, while fewer legs lends itself to greater maneuverability. One-legged, or pogo stick robots use a hopping motion for navigation. In the 1980s, Carnegie