FTL and Causality Quiz

What is the speed of light often referred to as in a Minkowski diagram?

• Yellow line

• Pink line

• Red line

• Null line

What is the main challenge faced by the Alcubierre drive concept?

• Exotic matter requirement

• All of the above

• Energy requirement

• Radiation buildup

What is the main problem with assessing the feasibility of FTL?

• Both A and B

• None of the above

• Multiple ideas and variants

• Lack of quantum gravity theory

What is the consequence of FTL systems allowing causality breaking time travel?

• Time reversal

• Time paradoxes

• Time distortion

• Time dilation

What is the relationship between the space axis and the time axis above the null line in a Minkowski diagram?

• They are parallel

• They are perpendicular

• They are orthogonal

• They are convergent

What happens when an FTL message is intercepted by a slower than light (STL) ship?

• The message is duplicated

• Causality is violated

• The message is lost

• The message is delayed

What is the main problem of FTL itself according to the text?

• It breaks causality

• It causes time distortion

• It violates the theory of relativity

• It allows for time travel

What is the potential consequence of a reply message from an STL ship traveling backwards through time?

• Time loop paradox

• Time travel paradox

• Causality paradox

• Grandfather paradox