Let’s Talk Tech – 2) EMF Detectors

You’ll often seen these being waved around by ghost hunters, as the claim is that ghosts manifest themselves through disturbances in the local electromagnetic field (EMF). Investigators will refer to witnessing spikes in EMF as ghosts try to communicate with them. I won’t go into why they believe this, other than to say that it is often portrayed as direct communication when the needle moves.

So what is EMF? Let’s not panic about something being a human thing that isn’t a natural phenomenon. We find it in the power put out from the Sun, and when that electromagnetic radiation interferes with the Earth’s magnetic field we witness the Aurora Borealis and Australis, very natural events. Yet humans have filled the earth with EMF too. Modern life brings its conveniences, many electrical in nature; WiFi, microwave ovens, and radio waves, etc.

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Let’s Talk Tech – 1) The IR Camera

To complement the Ghost in the Machines Show, I’m going to share an insight into the tech in question. It’s my hope that inquisitive people will make some of this stuff themselves. As I insist in the show, I couldn’t discourage people from doing ghost hunting if they are set on doing it. However, there is much to be learned and huge satisfaction gained in creating your own technology, and I’m not talking about dowsing rods, or how to tie string to a crystal, things prone to the ideomotor effect.1 Neither am I advocating you rush off and start playing with Ouija boards or things like that. If you do, that’s your look out; good luck.

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Ghosts in the Machines

Everyone has an opinion about ghosts. Although they don’t realise it, more people have a belief in the supernatural than would accept other aspects of the paranormal, such as extra-sensory perception (ESP), cryptozoology (Big Foot, etc), or extraterrestrial life visiting us in UFOs. Why do I say that? Well we live in a largely non-secular world. If someone is religious in any way, they will likely believe in gods, angels, or an afterlife of some sort. These ‘supernatural’ beliefs of a spirit nature are not concepts often aligned with science. The supernatural falls under the blanket of the ‘paranormal’, which just means stuff that science can’t explain yet, or falls out of the usual methods of rigourous experimentation. This is a subject perceived as unscientific. So of course, I created a science show about it.

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