Hrungnir Hrungnir Hrungnir (Old Norse "brawler") was a jötunn in Norse mythology, slain by the god Thor with his hammer Mjölnir. The account is documented in the "Skáldskaparmál", in the "Prose Edda" by Snorri Sturluson. Prior to his demise, Hrungnir engaged in a wager with Odin in which Odin stakes his head on his horse, Sleipnir, being faster than Hrungnir's steed Gullfaxi. During the race, which Sleipnir wins, Hrungnir enters Valhalla, and there becomes drunk and abusive. After they grow weary of him, the gods call on Thor to battle Hrungnir. Thor and his servant Thjalfi challenge the giant, who hurls
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