Why is light speed the limit?
18799
If I run along the aisle of a bus traveling at (almost) the speed of light, can I travel faster than the speed of light?
39399
Will free-fall object into black hole exceed speed of light $c$ before hitting black hole surface?
139098
Can the Flash run faster than light?
82624
"Newtonian limit" property of special relativity
31825
Why are objects at rest in motion through spacetime at the speed of light?
56065
How can the speed of light be a dimensionless constant?
14186
Is it possible for information to be transmitted faster than light by using a rigid pole?
37421
Can a shadow move faster than the speed of light?
58728
Why does the speed of light in vacuum have no uncertainty?
26363
How does faster than light travel violate causality?
13786
A question in Special Relativity
96657
The speed of light as it approaches a massive body
47988
Reflection At Speed of Light
65533
Does gravity slow the speed that light travels?
974
Speed of light in a gravitational field?
114910
In what subfields and how far can the naive limit $c\rightarrow\infty$ of special relativity be carried?
8367
What do physicists mean when they say "speed of light"?