Emperor Richū (履中天皇) was the 17th imperial ruler of Japan. No firm dates can be assigned to this emperor or to his reign, but he is believed to have ruled the country during the early 5th century CE.
... Dynabee, also known as Gyrotwister, is a gyroscopic toy sold commercially as a wrist exerciser device. Once the gyroscope inside it is going fast enough, for example after ...