Random (and serious) questions I need answers to

1. Why do Coke and Pepsi advertise? Sure, new products I understand, but who in the hell doesn't know about basic Coke and Pepsi?

2. Why don't outdoor hoses explode from the pressure when not in use but turned on? The water is clearly flowing. Where does it go when the nozzle is off?

3. Do other animals "have fun" with their own porn? If an elephant was shown a video of two other elephants "you know what," would the solo one get "happy?" (Yes, I'm asking this seriously)

4. If hot water expands water due to the molecules being spaced farther apart, why do ice cubes expand as well? The molecules there are compacted, right?

Comments (5)

Zach:

Ok, assuming you're really being serious and not just seeing what humorous answers come up, here's a crack at one and two (and damn you for getting 3 and 4 stuck in my head now. ;)

Coke and Pepsi advertise because they sell more sugar water that way. Seriously. Ads work not because they make you consciously want the product but because then they become prominent in your subconscious too. When you go to grab a product, if you don't think about it, you'll grab whatever your subconscious brings up first (or whatever's closer, but they can't control that too much since they're on the same shelf usually.)

As for the hose, the water doesn't go anywhere. It just sits there. The water usually flows at a constant rate, and when you turn the hose off that flow is blocked and pressure builds up. The pressure can only build up so much, though, before it stops building. I want to say this is no more than 50 or 60 PSI, but I may be wrong. The pipes, hose, etc need to be strong enough to contain this pressure without bursting.

That explanation is probably right on some level, and I've probably got something wrong. Someone who's actually studied physics can likely explain it better.

Ok, bonus stab at 3. A friend reminded me that animals usually operate more off smell than visually. So an animal watching two animals mate will not become aroused because the pheromones are not present that usually trigger mating behavior. Additionally, a female is only in heat when actually fertile, and that is the only time she will be aroused. (Dolphins and of course humans are the only exception to this, IIRC.)

LKM:

Since I'm clearly under the impression that I know everything, I'm going to tackle these :-)

Advertisment isn't about knowledge. Yes, everyone knows Pepsi and Coke. That doesn't mean people buy it. Most ads don't introduce products, they make people want to buy the products. Look at coke ads: They don't say "buy coke, it's a brownish sugar water which tastes good and helps you wake up". They show pretty people drinking coke (at least over here). The message: you wanna be one of the pretty people? Buy coke.

Water pressure isn't that high, and hoses are pretty strong. If you turn a tap all the way on, that's all the pressure you're getting. Not too much. Water doesn't go anywhere if you turn the tap off. It's constantly under pressure, but if you turn the tap off, it just stops flowing (of course, other people are always using water, so some water is always flowing). Imagine a bucket containing water with a hole at the bottom. If you plug the hole, that water doesn't go anywhere, it stays inside the bucket, even though there's pressure.

Yeah, some animals can be aroused with porn. I've read about the chinese showing panda porn to their pandas to get them to mate.

Ice cubes expand because of the unique structure of water. Water is most dense at 4 deg C, which means that deeper lakes never freeze to the bottom. Molecules aren't compacted. The size of the molecules doesn't change, the space between them does. The molecules in frozen water form hexagonal structures, which use more space than in liquid water.

As for the hose, the water doesn't go anywhere. It just sits there. The water usually flows at a constant rate, and when you turn the hose off that flow is blocked and pressure builds up.

But the water is still runnning, and it has to go somewhere, right? If it doesn't come out of the hose, what's it doing?

A friend reminded me that animals usually operate more off smell than visually. So an animal watching two animals mate will not become aroused because the pheromones are not present that usually trigger mating behavior

Then why are we different? What makes us so different? What about chimps?

And just a side note: Never, EVER, type animal porn arousal into Google. You DO NOT want to learn the answer that way.

LKM:
But the water is still runnning, and it has to go somewhere, right? If it doesn't come out of the hose, what's it doing?

Zachs answer is a bit off. Pressure shouldn't build up. Pressure is always constant. You could imagine the water system as a giant reservoir with pipes going to each person's house. Since the reservoir is higher than your house, the water will flow down the pipe into your house if you turn a tap on. If you turn it off, the water is stuck in the pipe.


A friend reminded me that animals usually operate more off smell than visually.

This is true, although it should be noted that humans do that, too, although subconsciously (for example females aligning their periods if living together). The higher up an animal is (evolutionary, I mean), the more it takes other factors such as visuals, signals and sounds into account.

>>Never, EVER, type animal porn arousal into Google

Thanks for the tip. I've been meaning to for weeks now but keep on forgetting. But now I won't.

Thumbsup !!!

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