If the speed of light changed, how would it affect our lives?

If the speed of light changed, how would it affect our lives?

DOE ExplainsRelativity

What will happen if somehow Speed of light changes? - Quora

Speed of Light

If you're moving faster than the speed of light, what would light

What If You Traveled Faster Than the Speed of Light?

A mind-blowing explanation of the speed of light - Big Think

Why is the speed of light the way it is?

How Gravity Affects Light – A Blog of the Solar System

Time travel — Is it possible