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Timing Belt - the Forgotten Belt

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What Can You Do If Someone's Vehicle Has Blocked Your Exit?

offsetSammy says...

Sorry, intentionally putting someone in danger (and those around them, who had no part in it) by messing with their mirrors is NOT the equivalent of being inconvenienced and not being able to get into your car. What you did is pretty irresponsible, regardless of what the other person did to you.

>> ^Porksandwich:

Yeah I think his car would have fit through much earlier on than when he gave up and left. But I think he hit the car next to him when he spun pushing the car on front.
It used to piss me off to no end back when I commuted to college and people would park too close to me, so much so that I couldn't even open my door enough to get into the vehicle. I used to mess with their side mirror settings and then fold them into their car if they were moveable just to give them irritation right back. Nothing like finding out you can't see shit out of your side mirrors once you're already in traffic. Much like not being able to get into your vehicle to get your books and shit out for class without some gymnastics and contortion. That's not even counting all the door dings and paint scratches those pricks gave my vehicle that had just been painted.

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A Frog Sitting on a Bench Like a Human

offsetSammy says...

Very possibly a video of animal abuse. Everyone might want to reserve their comments until this is confirmed or denied, because it would make the video and comments decidedly less hilarious.

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Quantum Field Theory Made Easy! - Feynman Diagrams

offsetSammy says...

Here's something I have never understood about Feynman diagrams, and I hope someone can explain it to me.

A Feynman diagram represents one possible way that two particles can interact, and from a single diagram you can work out the probability of that event occuring. But wouldn't there be an infinite number of ways an interaction could play out, and therefore an infinite number of diagrams? How do you know which one to draw?

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How To Break The Speed Of Light

offsetSammy says...

Where did I go wrong? I'll be very happy for you to set me straight. I'm no physicist!

I do understand that talking about the motion of a single photon, as if it moved linearly through space, is not accurate and not how photons behave, but I don't think I'm particularly qualified to talk about the rules of quantum electrodynamics and was just trying to correct ForgedReality's interpretation as best I could.

>> ^MycroftHomlz:

This is equally misguided, but it is closer to the correct interpretation.
>> ^offsetSammy:
This is not accurate. As far as we know, light (a photon) is massless and its speed does not change based on frequency (color).....
>> ^ForgedReality:
Light doesn't have one set speed. Each frequency of light travels at slightly different speeds.



How To Break The Speed Of Light

offsetSammy says...

This is not accurate. As far as we know, light (a photon) is massless and its speed does not change based on frequency (color). However, its speed does APPEAR to change with frequency because of its interaction with matter (we call this refraction). Similarly, its apparent speed will change depending on the type of matter it is traveling through.

However, the photon is not actually slowing down. Rather, it interacts with other particles, bounces around, then emerges some time later. It does all of this at the speed of light, but the particle appeared to slow down because it was "busy" interacting with whatever medium it was traveling through.

Actually, what's really interesting, and more accurate, is that the photon that "comes out the other side" is not the same photon that went in. The original photon no longer exists, because it was absorbed by the material, at which point a number of interactions happened, and another photon was emitted. There are countless numbers of these interactions occurring when light travels through matter, and countless numbers of photons being created and annihilated before the photon that we actually observe comes into being.

>> ^ForgedReality:

Light doesn't have one set speed. Each frequency of light travels at slightly different speeds. I've long had this theory, and NASA has since confirmed it. We have detected very slight differences in the time it takes different frequencies of light to travel a set distance.
As such, we cannot say light has "a" speed, but rather a range of speeds. Therefore, could it also then be possible that the speed of an individual photon can be adjusted by various means in order to either speed up or slow down?
The answer is yes. Scientists have managed to slow the "speed of light" all the way down to 38mph. How is this possible? Well, as light has mass (albeit, a very miniscule amount), it will slow when traveling through a material, such as water, glass, oil, or even air. Passing the light through a super-dense, ultra-cooled material magnifies this effect.

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