41. The word " unipolar " has become code for an overwhelming U . S . power. 42. Most unipolar Tesla coil designs have a spherical or toroidal shaped metal electrode on the high voltage terminal. 43. Because windings are better utilized, they are more powerful than a unipolar motor of the same weight. 44. In 1903, the line was modernized and the bipolar overhead line was replaced by an unipolar wire. 45. It is gram-negative, straight rod-shaped, motile by means of multiple unipolar flagella. 46. But in the 1990s, he said, the world has turned " unipolar and neoliberal ." 47. Chavez trumpets Third World unity to confront a " unipolar " world dominated by the United States. 48. "Unipolar " has become code for an overwhelming U . S . power, he said. 49. These are wide zones of the Sun where the magnetic field is unipolar and opens towards the interplanetary space. 50. K'ang Yu-wei belonged to a civilization, which experienced the millennia-long unipolar order.