But we now know that a tachyon indicates an instability in a theory that contains it. Regrettably, for science fiction fans, tachyons are not real physical particles that appear in nature.

Dec 26, 2025 · Just as an ordinary particle such as an electron can exist only at speeds less than that of light, so a tachyon could exist only at speeds above that of light, at which point its mass …

Nov 24, 2021 · The term "tachyon" first entered scientific literature in 1967, in a paper entitled "Possibility of faster-than-light particles" by Columbia University physicist Gerald Feinberg.

Oct 21, 1999 · Tachyons have never been found in experiments as real particles traveling through the vacuum, but we predict theoretically that tachyon-like objects exist as faster-than-light …

Tachyon is the name given to the supposed "fast particle" which would move with v > c. Tachyons were first introduced into physics by Gerald Feinberg, in his seminal paper "On the possibility …

Jul 11, 2024 · Once this fact was incorporated into the theory, all the difficulties mentioned earlier completely disappeared and tachyon theory became mathematically consistent.

Sep 14, 2025 · In theory, a tachyon could be used to send messages faster than light speed and this has the effect that some observers in space-time would receive the message before it was …

The meaning of TACHYON is a hypothetical particle held to travel faster than light.

A tachyon or tachyonic particle is a hypothetical particle that always travels faster than light. Physicists posit that faster-than-light particles cannot exist...

A tachyon is a hypothetical particle that always travels faster than the speed of light (c). Unlike ordinary matter (called bradyons), which must always travel slower than c, tachyons are …