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the claim

According to special relativity, no object with mass can be accelerated to the speed of light in a vacuum.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that according to special relativity, no object with mass can be accelerated to the speed of light in a vacuum?

Yes. One source directly states that particles can never be accelerated to the speed of light, and several others state the special-relativistic speed limit or explain why reaching c is impossible. The evidence consistently supports the claim.

Verdict: SUPPORTED · 6 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 6
Speed of light - Wikipedia
Get citation
Speed of light - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Speed_of_light

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More for · 5
Why a body can not be accelerated to speed of light in ...
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Why a body can not be accelerated to speed of light in.... (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/355143/why-a-body-can-not-be-accelerated-to-speed-of-light-in-vacuum

Can massless particles travel slower than the speed of light in vacuum?
2021
Get citation
Can massless particles travel slower than the speed of light in vacuum?. (2021). physics.stackexchange.com. https://physics.stackexchange.com/questions/651784/can-massless-particles-travel-slower-than-the-speed-of-light-in-vacuum

A STUDY ON WHY PARTICLES CANNOT BE ACCELERATED TO THE SPEED OF LIGHT
2021
Get citation
Wang, X. (2021). A STUDY ON WHY PARTICLES CANNOT BE ACCELERATED TO THE SPEED OF LIGHT. zenodo.org. https://doi.org/10.5281/zenodo.4781247

QUANTUM ENTANGLEMENT AND STRING THEORY
2025
Get citation
V., A. (2025). QUANTUM ENTANGLEMENT AND STRING THEORY. zenodo.org. https://doi.org/10.5281/zenodo.14870600

Gain-assisted superluminal light propagation
2000
Get citation
LJ, W., A, K., & A, D. (2000). Gain-assisted superluminal light propagation. doi.org. https://doi.org/10.1038/35018520

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