 Nope. When you actually do the experiment, and the experiment's been done, when you actually do the experiment, the speed of light is the same no matter how you measure it. Now, you may say to yourself, that's impossible. That's incredible. No, it violates common sense. How is that possible? And the answer is, actually, it actually dawned on Einstein himself in the spring of 1905. And that is, your brain has slowed down.