Does an active galactic nucleus have superluminal jets ?
现在的星系核有超光速飞机吗？
The concepts of cause and effect - of time flowing in one direction - also shatter in a superluminal world .
因果关系的概念（时间只能在一个方向上流动）也在超光速的世界里破灭了。
Science fiction enthusiasts rejoiced , because superluminal speeds could lead to travel backwards or forwards in time .
这个消息让科幻迷们欢欣鼓舞，因为超光速可能使时间旅行变为现实。
Often there is confusion about the idea that wormholes allow superluminal ( faster-than-light ) space travel .
常常存在有关虫孔能够超光速(比光速更快)空间旅行的混乱观念。
The possibility of time travel was raised 10 years ago when scientists discovered superluminal -- or faster-than-light -- propagation of optical pulses in some specific medium , the team said .
