random questions there might be a scientific answer to
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random questions there might be a scientific answer to

This is a discussion on random questions there might be a scientific answer to within the Science and Technology forums, part of the Hobbies category; a question asked by my friend the other week... if there is a speed of light and a speed of ...

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Old 11-01-08, 04:01 AM   #1
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Default random questions there might be a scientific answer to

a question asked by my friend the other week...

if there is a speed of light and a speed of sound.. is there a speed of smell???


there must be some scientific thing about how quickly the smell moves around the room depending on the air surrounding you??? right???



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Old 11-04-08, 09:43 AM   #2
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yea, smell is a gas (or maybe i'm just thinking of farts lol) but I guess you're right, that's a good one

Here's one that's baffled scientists: There's a place in San Antonio called The Ghost Tracks, a train crossing where supposedly a bus got stuck on the tracks and everyone died. Now, you can go up a hill, put your car in neutral, and you will actually go up the hill, I've done it before and in a friend's van where it said "incline" meaning we were going up and over. They say the ghosts don't want anybody to suffer the same fate as them, but, I really don't believe in ghosts. There's a good one right there
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Old 11-04-08, 02:42 PM   #3
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silent, light is radiation, and sound is vibration... these are not matter really...
(or if they are, then the size of particles are on a billionth, trillionth of the scale - I have no idea... I'm thinking of photons...??? ..not going there)
ANYWAY - smell - your friend is thinking of these as senses... but smell is when particles (of perfume for ex.) drift through the air and into your nose... they are recieved by receptors in the nose and.. you smell them... in other words, smell is made of matter. It does not follow the same rules.
Because it is matter, it is affected by wind, gravity, type of gas, temperature... different things... so no, there is no set "speed" for how fast a smell may spread...
(and yes, I know light can be affected by gravity as well... won't go into that either...)
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hi wc. Let me know where that hill is and I'll take a trip there sometime ;) j/k
otherwise, I catergorize this as supernatural pseudoscience ... :P sorry.
I'm awful stubborn.
or at least I'd like to send you a big level... or have you measure the slope...
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Old 12-19-08, 11:38 AM   #4
 
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That hill that you mention, wc662, sounds if it may be one of those gravity hill illusions.


(I'll admit that I believe in ghosts, but I do think that a lot of ghost stories and legends are a bunch of bull honkey.)
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Old 12-19-08, 05:46 PM   #5
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The olfactory nerve, a large sensory nerve at the top of the inside of the nose, has receptors sensitive to chemicals in the air (the "smells" we perceive), and these sensations are registered in the frontal lobe of the brain. The time it takes to smell a chemical in the air is the time the chemical takes to travel in air to our nose, and for the nerve impulse to travel to the brain (milliseconds), so smells are almost instantaneous. There is also a connection between the frontal lobe and the part of the brain responsible for memory, so distinctive smells we have experienced often trigger memories.

This then, is the speed of smell.
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Old 12-28-08, 08:22 PM   #6
 
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Originally Posted by Venom View Post
yea, smell is a gas (or maybe i'm just thinking of farts lol) but I guess you're right, that's a good one

Here's one that's baffled scientists: There's a place in San Antonio called The Ghost Tracks, a train crossing where supposedly a bus got stuck on the tracks and everyone died. Now, you can go up a hill, put your car in neutral, and you will actually go up the hill, I've done it before and in a friend's van where it said "incline" meaning we were going up and over. They say the ghosts don't want anybody to suffer the same fate as them, but, I really don't believe in ghosts. There's a good one right there
This rolling up the hill has also been attributed to magnetic fields in some cases.
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