Dogs are widely used in drug detection and rescue operations due to their incredible sense of smell.
That was the inspiration for a research team in the U.S. that's created a 3D-printed canine nose to enhance the performance of existing detection devices.
Park Se-young introduces to us the fantastic invention.
This dog was trained to detect substances like explosives and drugs.
Since a dog's sense of smell is tens of thousands of times better than a human's, they are well-suited for the task.
Scientists in the U.S. took their inspiration from that fact and studied the animals' sniffing skills to create a 3D-printed dog nose that looks and works like the real thing.
The canine nose exhales and inhales about five times per second to collect odors, which are then analyzed by 300 million receptor cells.
By visualizing the movement of air around the nose, the scientists were able to see how it pulls in air from the environment.
"There's an exhale down to the right of the screen. When the dog exhales, he's literally reaching out and entraining, or pulling air towards himself. That's why the dog is an amazing chemical detector."
When the artificial dog nose was fitted to a commercially available explosives detector, the scientists found that it was 16 times better at detecting odors from a distance of four centimeters.
While the device won't replace sniffer dogs just yet, the finding opens the way for future study on the next generation of detection devices.
Park Se-young, Arirang News.
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