How much is a half of a mile per hour drop in velocity worth? I wondered that question this season as I watched Spencer Strider go from the most dominant pitcher in baseball with bases empty to ...

So, I complained about MythBuster's explanation of relative velocity. How would I explain this? I would start by saying that velocity is relative. Here is the definition for velocity: I put the "avg" ...

Until now, no technology was known that would be able to give rocket exhaust at relativistic speed and a high enough momentum for relativistic travel. Here, a useful method for relativistic ...