Curious if Jonathan and Nancy survive the shocking events of Stranger Things 5 part 2? Dive into our full spoiler-filled ...

The velocity of light in vacuum, c, is approximately 3 × 10 8 m s −1, fast enough to make 7.5 round-the-world trips in a single second, and to move a distance of 300 mm in 1 ns. This ultrahigh speed ...