Training dogs sniff out explosive material

Dogs can detect drugs that are wrapped in plastic and boxed. A dog can detect explosive material in a pressure since nothing is hermitically sealed. I think I read where dogs smell around the atom level

a dog's nose can detect even a tiniest trace of material as long as there is a residue.
 
Dogs can detect drugs that are wrapped in plastic and boxed. A dog can detect explosive material in a pressure since nothing is hermitically sealed. I think I read where dogs smell around the atom level

Plastic is porous and so are boxes, pressure cookers are not. They may not be hermitically sealed and maybe not imposible for a dog to locate but very very hard. A dogs sense of smell works pretty much like our own they just have many many more receprors and a very large part of their brain is used only for smelling.
 
It doesn't matter since anyone can drop it off and leave within 10 min before bombing so where are the dogs at that time? That's what happened at the Boston Marathon.

No, what happened in Boston was people let their guard down and the security wasn't as tight as it should be to not "infringe on the rights of Americans." We live in different times and we need to adopt a more Israeli approach in general. Dogs aren't the answer and they can't be responsible for all the ills that happen. People need to realize we need stricter guidelines when coming together to prevent acts like this before they're in place.
 
No, what happened in Boston was people let their guard down and the security wasn't as tight as it should be to not "infringe on the rights of Americans." We live in different times and we need to adopt a more Israeli approach in general. Dogs aren't the answer and they can't be responsible for all the ills that happen. People need to realize we need stricter guidelines when coming together to prevent acts like this before they're in place.

I'm actually surprised that people with backpacks were allowed at marathon especially at finishing line.
 
On our college campus, when I was working there, I reported unattended back packs and security came to check on them. They turned out negative (whew!) but they at least checked them.

Recently, another employee at the college reported a bag that was left in the bushes on campus, and guess what? It had a bomb in it!

So, you never know....
 
No, what happened in Boston was people let their guard down and the security wasn't as tight as it should be to not "infringe on the rights of Americans." We live in different times and we need to adopt a more Israeli approach in general. Dogs aren't the answer and they can't be responsible for all the ills that happen. People need to realize we need stricter guidelines when coming together to prevent acts like this before they're in place.
I heard that earlier before the marathon started, the dogs were sniffing around for bombs. The bombs were not there at that time. The problem is that people don't pay attention to what other people do. Like people didn't notice the guys leaving the backpacks on the ground after the marathon started. It becomes harder when there are so many people involved.
 
I heard that earlier before the marathon started, the dogs were sniffing around for bombs. The bombs were not there at that time. The problem is that people don't pay attention to what other people do. Like people didn't notice the guys leaving the backpacks on the ground after the marathon started. It becomes harder when there are so many people involved.

problem? how is it a problem? spectators are supposed to be watching the game, not looking out for a suspicious back... that's a police's job.

you know what's a real problem? who the heck allowed backpacks in the zone? whoever is in charge of security is definitely out of job for sure.
 
Wirelessly posted

Sad thing is. I take my back pack all the time for events like this and such. Most places search it before allowing me enter the event.
 
problem? how is it a problem? spectators are supposed to be watching the game, not looking out for a suspicious back... that's a police's job.

you know what's a real problem? who the heck allowed backpacks in the zone? whoever is in charge of security is definitely out of job for sure.
There are so many people carrying backpacks and stuffs and so few cops. How many miles for the Boston Marathon?
 
There are so many people carrying backpacks and stuffs and so few cops. How many miles for the Boston Marathon?

a marathon is always 26 miles.

clarification - I don't mean you need to put up security barriers for entire marathon. just the starting area, finishing line, and certain spots where there is a heavy amount of people around.

and it's never enough cops. in case of international incident like Boston Marathon - they can bring in National Guards as well as ask for more bodies from other states. that's what happens after 9/11 and Homeland Security.

in case of terrible disaster like 9/11 or Hurricane Sandy, emergency personnels from all over USA will fly in to help out.
 
a dog's nose can detect even a tiniest trace of material as long as there is a residue.

Odors are on the molecular level. The dog has 100k more cells for detecting odors. It does not have to be a residue. Molecules move in the air. That is how a cadaver dog can find a buried body. The molecules can penetrate the soil. We can experiment and put you in a grave. See if a bloodhound can find you
 
Odors are on the molecular level. The dog has 100k more cells for detecting odors. It does not have to be a residue. Molecules move in the air. That is how a cadaver dog can find a buried body. The molecules can penetrate the soil. We can experiment and put you in a grave. See if a bloodhound can find you

right... this is very old news to me. I'm just explaining how a bomb can be detected. it's all about a residue.

a buried body leaves a plenty of residue outside the burial site.
 
Pressure cookers have pressure regulaters through which escapes, and unless there oohing got the regulater is sealed perfectly, the dogs would most assuredly smell what inside the cooker.
 
Pressure cookers have pressure regulaters through which escapes, and unless there oohing got the regulater is sealed perfectly, the dogs would most assuredly smell what inside the cooker.

pressure regulator is where they remove it to install a fuse/wiring
 
pressure regulator is where they remove it to install a fuse/wiring

Yep. Molecules will escape through the fuse/wiring, so the dog will detect it. I think so, anyway.
 
Any part could be hermetically sealed west system epoxy. The biggest problem like Jiro said is going to be if any residue gets on the outside.

Also, we keep talking about what COULD be detected if all the circumstances worked out. They often do not. I hunt a LOT. I've had deer and fox and coyote stand within 10 feet of me completely unaware. I was down wind and had not walked through where they where standing. Sometimes a shift in the breeze makes them start and run off once they realize I'm there. So just because a dog could smell one particle doesn't mean they will happen to FIND that one particle.
 
Regardless of the dogs' capabilities, if the timing is wrong, the bomb will not be detected. That is, if the bomb is placed after the dogs have made their sweep then the dogs' skills won't matter. That's why it's important to clamp down the area after it has been swept.
 
Regardless of the dogs' capabilities, if the timing is wrong, the bomb will not be detected. That is, if the bomb is placed after the dogs have made their sweep then the dogs' skills won't matter. That's why it's important to clamp down the area after it has been swept.

Even at chili cook offs? ;)
 
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