On April 4, 2014, the Ghost Adventures crew surprised their fans when they unleashed a new "scientific" piece of equipment called the SLS Camera. More specifically known as the Structured Light Sensor Camera.
Zac and the gang were in New Mexico at the Saint James Hotel where, for the first time, the audience was able to see actual "ghosts" moving about s represented by stick figures.
At the heart of the device is a video game camera. The Microsoft Kinect to be exact. According to Microsoft:
"The Kinect sensor bar contains two cameras, a special infrared light source, and four microphones. It also contains a stack of signal processing hardware that is able to make sense of all the data that the cameras, infrared light, and microphones can generate. By combining the output from these sensors, a program can track and recognize objects in front of it, determine the direction of sound signals, and isolate them from background noise." Source: https://www.microsoftpressstore.com/articles/article.aspx?p=2201646
The Kinect bar is able to project infrared dots into its field of view to track the human shape. This infrared light cannot be seen with the naked eye, but an infrared camera would see the dots perfectly.
Infrared Dots
The SLS Camera in theory is able to "see" spirits in their humanoid form and track their bodies allowing us to then see them as stick figures.
Once the general public figured out how to do this, Ebay sales of hacked homemade SLS hit the market. Heck, I even made one at one point.
BUT THEN I THOUGHT
Wait a tick - we are assuming that spirits have a physical presence that the device can pick up. The Kinect is designed to capture movement from an image that it can see. When the camera is in infrared camera mode, we should be able to see what the SLS Camera sees. So why then does it show me stick figures, however, I still cannot "see" these beings. While my eyes cannot see the infrared spectrum, I have a camera that can.
Another point that had me stop and think is that thermodynamics states energy does not die, however, moves on to entropy. Therefore, the chance a person continues to keep their bipedal form after they have left their body may not always be the case. In fact, there is an argument to be made that spirit is energy that is self-aware, and therefore does not continue to exhibit the humanoid shape. The amount of energy it would take to bring that energy together in a readable form for something like the SLS Camera, and hold that form for an extended period of time, would be incredible.
PERSONAL EXPERIENCES
As mentioned earlier, I had jumped on the bandwagon and made an SLS Camera using much of the same specs as the one created by Digital Dowsing. What I noticed was that there was nothing much that was happening. The few times it did map something, we could tell that it was reading a chair, wall corner, or handrail, which confused the software.
I doubt I will use an SLS again simply because the science does not make sense in my head. Now, I feel that sonar, lidar, density meters, and thermal imaging are more likely to "see" something because they work in the world of particle movement, temperature, and air fluctuations.
I'm having an even more difficult time believing the Apps that claim to act like the SLS Camera. The Ghost SLS from the App Store for iPhone (I'm an Android btw) claimes to do this very thing. I shake my head as to how a cell phone has within it the technology to read particles that are not in the visual spectrum to "see" ghosts. At least the SLS has the Kinect technology behind it.
CONCLUSION
I was just as excited as everyone else when the SLS Camera was introduced, but damn my brain! I started to think about the actual science behind it and, for me anyway, it just does not add up. For now, I will pass on the SLS Camera as being "real science" until someone can explain to me otherwise.
It may look good on TV and help YouTubers get views, but being a real scientific piece of equipment? I'm simply not seeing it.
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