How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

Tech stocks and top consumer names are increasingly at risk of steep declines in a slowing economy. Click here to see 5 ...

The way we speak about time tends to strongly imply that the passage of time is some sort of real process that happens out ...

Abstract: The past decade has seen the rapid development of the robotic fish in many aspects. However, the velocity measurement problem has not been fully addressed, which limits the autonomy of the ...