Recent content by duncan108

That video is useful, explaining how different tones can be deception for position and direction of travel. I’ll try the stethoscope option and get extra witnesses as listeners. I am rather poorly at the moment so midnight escapades aren’t a good idea, but as soon as poss . . . . . . Thank you

Thank you everyone for your attention, suggestions and effort. The thing is I am very low on technical equipment - no television, aerial or satellite dish; no mobile; only one clock radio; no hi-fi; no microwave; no smart meter; cameras always off and never on charge overnight; computer...

The signal can be heard here:- www.vitalitywinners.com/alarm480.mov It’s not a smoke alarm, nor a digital watch nearby, nor anything from another radio, nor an alarm coming through the wall from next door, nor a smart meter having a tantrum, nor an echo bouncing around. I even brought in a...

Hello, When I tell this story, I usually get brushed aside for being senile but people who know about physics might be more useful. About a week ago I was woken up with an alarm from my clock-radio. That was odd as I had never used the alarm function. Unable to find the cause, I assumed the...

I am a photographer based in the UK with a strong interest in physics