Do Nuclear Rods Glow?

In science fiction movies, nuclear reactors and nuclear materials always glow. While movies use special effects, the glow is based on scientific fact. For example, the water surrounding nuclear reactors actually does glow bright blue!

Do nuclear reactor cores glow?

At full power (200 kilowatts), the MSTR core produces approximately 6.4 trillion fissions per second. ... When this occurs, photons, seen to the eye as blue light, are emitted and the reactor core "glows" blue.

Do radioactive things glow?

The short answer to your question is "no," radioactive things do not glow in the dark - not by themselves anyway. Radiation emitted by radioactive materials is not visible to the human eye. ... Many substances will emit visible light if "stimulated" by the ionizing radiation from radioactive material.