Paranormal Technology: Gadgets For Ghost-Tracking

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At an investigation of a supposedly haunted house in a wooded area an hour south of Richmond, Va., called the Edgewood Plantation, one ghost-hunting team recently used its high-tech tools to track down the spirits that always become of interest this time of year.

With uneven floorboards and creaky doors, the house is prime real estate for a haunting. Its owner hired a private firm, Richmond Investigators of the Paranormal — or RIP — to scan her property for ghosts.

The RIP team's tech manager, Chris Williams, lists off a few essential gadgets they bring along on investigations, like an electromagnetic field (EMF) detector and a temperature gun.

The EMF meter measures electromagnetic fields sent out by faulty wires and radio waves, but investigators insist the meter can also detect spirits. Temperature guns measure the air for the cold spots that, ghost stories say, mark haunted sites. Williams also recommends carrying night-vision cameras, surveillance devices, motion detectors and a couple of walkie-talkies.

There's one item in his toolkit that isn't quite so techie, though.

"I always prefer everybody to have one bottle of either holy water or holy ointment," he explains. "I've never had to use it and hope I never will."

The team doesn't encounter anything threatening, but it believes it found one ghost in the plantation's old slave quarters — except it's a cat's ghost, which sort of complicates things.

"Can you purr for us? Are you afraid of dogs?" a team member asks.

The EMF meter reaches a peak with the question about dogs. For them, this evidence paired with some curious pictures from around the house prove it is haunted.

Suspicious Minds

Loyd Auerbach is skeptical of this reliance on technology. He's a professor at a one-of-a-kind parapsychology program at Atlantic University in Virginia Beach, Va., and thinks someone with psychic abilities is better suited to ghost-hunting than someone with a lot of gadgets.

However, Auerbach says technology can provide some clues, which he relates to tracking an invisible boat on a lake.

"We're really using technology to detect the wake of the boat; from that, we can infer that some things are going on in the environment, provided we know there's a boat there to begin with," he says.

This gets at the crux of the matter. Many think ghosts are about as real as, well, invisible boats on lakes.

"Belief in ghosts is just that; it's a belief. In fact, it's a superstition," says Joe Nickell, a senior fellow at the Center for Inquiry, an independent research organization.

Nickell's job is to make scientific sense of what he sees at paranormal investigations. He's found natural phenomena to explain all the evidence ghost-hunters have shown him on their various devices. Nickell says the high EMF readings investigators thought were from the supposed ghost cat are especially suspect.

"They're surprised that they're getting results in an old house, when in fact there are all sorts of non-ghost sources such as faulty wiring, nearby microwave towers, sunspot activity and so on. Even the electronic equipment — the walkie-talkies and TV cameras and all the other electronic gadgetry that they're carrying with them — has electromagnetic fields."

But not everyone needs scientific proof: A Gallup poll from a few years ago found that one-third of Americans believe in ghosts.

Copyright 2011 National Public Radio. To see more, visit

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