Are there particle's or masses that travel faster than light?

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The discussion centers on the possibility of particles or messages traveling faster than light (FTL). While some claim that tunneling effects allow for FTL communication, there is no consensus in the scientific community to support this, as highlighted by references to various studies. The conversation also touches on tachyons, hypothetical particles that could exceed light speed, but these remain speculative. Additionally, concepts like quantum entanglement and non-locality are debated, with participants clarifying that these do not enable FTL communication. Ultimately, the consensus is that no verified experiment has demonstrated FTL communication, reinforcing the constraints of special relativity.
  • #31
No information, intelligence, can be sent faster than light. Entanglement appears to be instantaneous, yet no information is communicated. "c" appears to be one of the fundamental constants in this universe...and one of it's most limiting ones.
 
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  • #32
ok this thread is changing into something else.
 
  • #33
if a particle travels faster than light,with just it's presence in the past,it will violate causality?
 
Last edited:
  • #34
what is a light cone?
 
  • #35
Naty1 said:
No information, intelligence, can be sent faster than light. Entanglement appears to be instantaneous, yet no information is communicated. "c" appears to be one of the fundamental constants in this universe...and one of it's most limiting ones.
Yep. I just looked up the experiment I quoted, and it involves a coincidence counter.

Transmitting information probably requires transmitting energy, and hence mass. This would rule out any FTL communictaion...
 

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