Travel faster than the speed of light. By definition, Superluminal is "Faster-than-light (FTL)"
If you could travel faster than light, then you could also travel to the past. This is related to the definition of simultaneity, in the Special Theory of Relativity.If you could travel faster than light, then you could also travel to the past. This is related to the definition of simultaneity, in the Special Theory of Relativity.If you could travel faster than light, then you could also travel to the past. This is related to the definition of simultaneity, in the Special Theory of Relativity.If you could travel faster than light, then you could also travel to the past. This is related to the definition of simultaneity, in the Special Theory of Relativity.
A kid friendly definition of the word energy is, the ability to do work.
Electromagnetic waves are, by definition, light. So they travel at the exact same speed as light.Also, a "Do" would be appropriate here, instead of an "IS".
Polar
Because the definition of a lightyear is: how long light can travel in a year. Hope this helped;)
Your neck
a kid friendly definition would be two or more people that disagree on something and are not getting along.
changing
competition
A kid friendly definition would be - The head of the Catholic Church.
A kid friendly definition of disease would be "a very serious sickness a person/people could catch or already have from their parents.