Infrared goggles

[CalamityK2]

If you use infrared or night vision goggles in pitch blackness, is there any way someone else in the vicinity could tell you had them on? What I mean is, if someone, say, in a fake seance was moving things around with the aid of such goggles, is there, like a beam of light coming from them that someone else could see?

[Ethel]

No

[Lewcee]

IR will work. Ordinary Night 'Scopes need there to be SOME ambient light to magnify.
Unless you go for fun, don't go to seances. Exhaust your curiosity on the... er.. proper sciences, Physics, Nature etc..

[lesmarais]

All Night Vision Devices project an enhanced image on to the eyes, almost like a torch light but not quite as bright. The light from this projection would be very obvious in a dark room with others in close proximity.