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

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

Speed of Light, What is Speed of Light?

Regulars news, articles and features, Page 90

Observable universe - Wikipedia

What would happen if you moved at the speed of light?

Last Word Archive, Page 37

What Would Happen If You Traveled At The Speed Of Light? » Science ABC

There's Only One Way To Beat The Speed Of Light

Speed of light - Wikipedia

Regulars news, articles and features, Page 92

Regulars news, articles and features, Page 90

Physical Consequences of Light-speed Travel