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Wow! That sounds amazing for a video game system. I am interested to know what Nintendo will release to compete against this system. They normally release a system that is twice as good as Sony's. For example, the original PlayStation was 32-bit, the Nintendo 64 was 64-bit. The PS2 has about 200 Mhz, and the GameCube has around 450 Mhz.

Ok, what causes the electromagnetic fields and the gravity? Everyone is talking about forces and everything, yet nobody seems to know exactly what causes them. For example, science books say that gravity is an electromagnetic field, however, they never explain what creates it. They just say it is there. Talking about the properties of electrons and other subatomic particles never really answers the question. How can we explain the properties of the universe to understand the properties of matter? Is it something that we as humans just can't understand from a scientific point of view? If you really think about it, can science do anything except create more questions? I can't think of a scientific law that doesn't create more questions that can't be explained.

What causes two objects to collide? How come when two objects collide, they apply a force on each other, and either stop or move in opposite directions? Why don't they just go through each other and keep moving? When programming a video game, nothing happens on its own. If you make two objects move, they won't collide unless you write a collision code and put it in the game. Without a collision code, the two objects would go through each other without causing any interference with the movement of the other object. What creates the collision code of the real world?

How do companies make computer chips? Some chips contain millions of transistors. How can they all fit in such a little chip and still work together with so much precision? How can they be created when humans can't even see them?

I just find it interesting that radio waves never disappear completely. I thought radio waves and light were made of photons. Don't the photons in a radio wave break off or get absorbed into other matter until the radio wave completely disappears?

So, if I send a file from one computer to another using a wireless network, could someone on a planet billions of miles away receive the file if their receiver was strong enough and they filtered out all the background noise?

I was wondering, is there a limit on how far radio waves can travel? Is there ever a point where a radio wave signal disappears completely, and can't be recovered no matter how powerful the receiver is? For example, my computer's wireless network card and the wireless receiver connected to my other computer both have a maximum distance of 1 mile. This means that if I moved the computers more than one mile apart from each other, I would not be able to send a file from one computer to another. However, if I had a stronger receiver on my other computer, would I be able to increase the distance the computers could be apart, or would the radio wave transmitted by my computer completely disappear after one mile?

The differences probably wouldn't affect the average computer user. The biggest difference I noticed is that Windows XP Pro contains Internet Information Services. This means that you can use your computer as a web server. You can buy a web domain, and link it to your computer's IP address. Then you can store the HTML files on your computer's hard drive. Then whenever someone types in your domain name in an Internet browser, your web site will load because it will be hosted from your computer. Windows XP Pro also has more advanced file sharing controls. You can easily give certain network users access to certain folders, even if they are system folders. On Windows XP Home, you can't easily get into the hidden folder, C:\System Volume Information. This is because you can't change the folder sharing controls for this folder. However, in Windows XP Pro, you can turn off the lock with the advanced settings. Also, Windows XP Pro has advanced encryption technology. You can set a password on your computer, and if someone steals your computer, there is no way for them to access your files unless they know the password. Even if you take the hard drive out, and put it in another computer, it is still very difficult to hack open the encrypted files.

I kept cutting the CPU until all that was left was little pieces. All I could find inside was a black plastic-like material and the metal connectors that went into both sides of the CPU. I also saw a small metal square in the center of the chip. It was as thin as paper, and about 1/4 the size of a penny. It looked like a piece of aluminum foil. Could this have had the transistors on it? I looked carefully, and I didn't see anything on it, but I never looked at it with a magnifying glass.

I've always read that there are many transistors inside a computer chip. However, when I took the CPU out of an old computer, I cut through the plastic outside shell of the CPU, and it appeared to by empty inside. From the outside, it looked like about 20 metal connectors that enter the CPU. Inside, I saw that they simply go through the CPU, and out the other side. I didn't see any other pieces inside the CPU. I kept cutting the CPU into smaller pieces, but I could find nothing inside. How did the CPU work? I think the name of the CPU was a Z80. The processor was only about 2 Mhz. Wouldn't there still have to be other pieces inside to make it work?

I have read that subatomic particles are made up of a type of quantum foam. I read that there is enough energy in the foam of one atom to instantly boil every ocean on Earth. Scientists are now building particle accelerators and smashing atoms together. Doesn't it seem careless to smash atoms together? Wouldn't this take a chance of releasing huge amounts of energy that could destroy the world?

I know that the first 3 dimensions are width, height, and length. However, science magazines are talking about how there could be many more dimensions. One scientist said that there are probably at least 20 dimensions. What are these new dimensions? The first 3 dimensions seem to enable us to move in all directions. If there are any more dimensions, what are their properties? Can we exist in them? Do other life forms exist in them?

I have Windows XP Home Edition. Does anyone have any idea where this archive is? Is it hidden on the Hotmail web site's server? Are all messages on Hotmail archived after you delete them? I don't see why Microsoft does this. What could have made the server decide to put these archived messages back in my account over a year later?

Today (December 15, 2004) I have been having trouble getting into my Microsoft Hotmail account. When I finally logged in, I noticed that the web site was moving very slow. When I went to my inbox I was very surprised to find messages that I had deleted. Some of them were deleted over a year ago. All of the messages were old messages from Homestead, my web-hosting provider. At first, I thought Homestead accidentally sent me all of their old e-mail messages. Then I noticed that in my inbox, the dates that were shown were all from a long time ago. Does this mean that Microsoft secretly keeps all of your e-mail messages after you delete them? I thought this was against their privacy policy. What does everyone else think about this?

I was wondering if anyone has found the smallest particle yet. I know about protons, neutrons, and electrons. I've also heard of quarks, but I don't really know what they are. How far does matter break down? Have they found the smallest particle?

I'm thinking this is more than just an "image". Isn't it everything of a different time? If we had an extremely powerful microphone that can take out all background noise, wouldn't we hear all the sound many years after we see the light? Sound travels slower than light, but if we did receive it, it would also be from a long time ago.

Jdurg said in another thread, “I've always found it interesting how when we look up at the stars at night, we're actually looking back in time (Since if a start is hundreds of thousands of light years away, it takes the light hundreds of thousands of years to reach us). For all we know, many of the stars we are looking at may have gone 'BOOM' a long time ago. I always found that to be neat.” I understand that this happens because it takes that long for the light to reach us. However, doesn't this split time itself? Time is change. If the light that we are seeing hasn't changed to the present time yet, aren't we seeing another time? Therefore, isn't time itself is split throughout the universe? I mean isn't the light that has been reflected from Earth a year ago somewhere else in the universe, but still from last year?

I've just thought up of a new theory about this. It is off-topic so I'll start a new thread about it.

How has it been proven that time stops when something reaches the speed of light? If that was true, how could light travel? Wouldn't light be frozen in one place?

I just came up with a theory about black holes. I've read that they appear to be black because the gravity pulls all light into the black hole. In Physics class, I learned that the acceleration of gravity in a black hole would cause any object falling into a black hole to exceed the speed of light after only 2 seconds. What if light and matter doesn't just get pulled in black holes, but instead they just start moving faster than the speed of light? Wouldn't that make them appear black because they wouldn't be able to reflect any light? They would be moving so fast that light couldn't touch it, and reflect off of it? Would it be possible that light can move faster than the speed of light, but we just can't see light that is moving faster than what we call the speed of light? Let me know what you all think about my theory. Thank you.

Ok, I understand. Thank you for the replies.

I don't think so. We were on a "ghost tour" when I took that picture so there were other people around. We waited a few minutes for other people to stop taking pictures, so the flash of their cameras wouldn't affect our pictures. There were lights on each side of the house, but the house itself was dark except for one light at the top.

How can you say that? Speed is how far something can travel in a given amount of time. The reason light travels 299,792,458 meters per second is because of the size of a meter. If a meter was only slightly smaller, the speed of light would change to 300,000,000 meters per second.

We learned in Chemistry class that it has changed. The original meter was ten-millionth of the distance from the North Pole to the equator. Then they changed it to the wavelength of light emitted by an isotope of a Krypton. Then in 1983, it was changed to the distance light travels in 1/299,792,458th of a second.