FTL Messaging: Does Violating Causality Follow?

  • Context: Graduate 
  • Thread starter Thread starter physikal
  • Start date Start date
  • Tags Tags
    Tachyon
Click For Summary
SUMMARY

The discussion centers around the implications of Faster-Than-Light (FTL) messaging on causality. A key point raised is that if a message is sent to an individual traveling FTL, and they respond, the original sender could receive the reply before the initial question was posed. This scenario presents a direct violation of causality, as it disrupts the cause-and-effect relationship fundamental to our understanding of time and communication.

PREREQUISITES
  • Understanding of FTL (Faster-Than-Light) concepts
  • Basic knowledge of causality in physics
  • Familiarity with communication theories in theoretical physics
  • Awareness of time travel paradoxes
NEXT STEPS
  • Research the implications of FTL travel on causality in theoretical physics
  • Explore communication theories related to time travel
  • Investigate existing paradoxes associated with causality violations
  • Study the principles of relativity and their relation to FTL concepts
USEFUL FOR

The discussion is beneficial for physicists, science fiction writers, and anyone interested in the theoretical implications of FTL travel and its effects on causality.

physikal
Messages
1
Reaction score
0
One post posited that if a message were sent to a person traveling FTL and they sent a reply that the person sending the message would receive the reply before the question was sent. If that were possible, receiving the message first would violate causality wouldn't it?
 
Physics news on Phys.org
Of course
 

Similar threads

  • · Replies 18 ·
Replies
18
Views
1K
  • · Replies 24 ·
Replies
24
Views
4K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 22 ·
Replies
22
Views
12K
  • · Replies 40 ·
2
Replies
40
Views
5K
  • · Replies 3 ·
Replies
3
Views
5K
  • · Replies 81 ·
3
Replies
81
Views
8K
  • · Replies 15 ·
Replies
15
Views
3K