High-speed electrons prove Einstein was right about the speed of light

 作者:农乍推     |      日期:2019-03-15 10:18:01
Niklas Stark/EyeEm/Getty By Leah Crane If you are driving a car and match your speed to the vehicle in front, it will appear to slow down, relative to you. Albert Einstein said the same isn’t true of the photons emerging from your car headlights,