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Archive for October 2008

15/15 and 8/8 on two different questions. These are the questions and their answers.

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  1. What are the two postulates of Special Relativity and what do they mean?

The two postulates of Special Relativity are

A. The laws of physics are the same in all inertial frames of reference.

B. The speed of light is the same constant in all inertial frames of reference.

Postulate A can mean that there is no possible experiment to determine if you are in a stationary frame or a non-accelerating moving frame, because the laws of physics do not change between the two.

Postulate B causes the inconsistency that the speed of light is always the same. As a result of high linear motion requiring that the speed of light is the same constant in the directions against and towards travel, time and space must be bent in order to retain the constants. Examples fall out of this in the form of Lorentz equations, which support the relationship between increasing speed and modifications to the environment as regards to space and time.

Simultaneity becomes an issue, due to directional issues related to time dilation and length contraction. A person moving left to right may see events differently from a person moving right to left. If they are simultaneous to all observers, according to Lorentz equations, all the events must be occurring also in the same location.

As the speed of light is the same constant, and spacetime distorts itself for the purposes of keeping this postulate according to the Lorentz transformations, the speed of light becomes the ultimate speed limit, in that no information can travel faster than it.

Comments: None

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  1. How much mass gets converted into energy in the explosion of a 10-megaton H bomb? (hint: 1 megaton = 4.20 1015 J). How much mass would be needed for an 8-kiloton bomb? Find an object at home or in school that has a similar mass. What is the object and what is the mass?

    For this example, I am using the American Mark 17 nuclear bomb as my explosive, which has a mass of 21 U.S. tons, or 19,000 kilograms. A perfect conversion of mass into energy for such a device would have a yield of 89.9 x 1012 J per gram, which we use to divide the yield of the device (42 x 1015 J) in order to attain a weight in grams, which turns out to be 467.186. Dividing the amount of mass converted to energy by the weight of the bomb, we receive a negligible percentage of 0.000025%. My guess is that this high discrepancy of mass-to-energy conversion being excessively low is due to the fact that the Mark 17 was a very, very old nuclear device, and probably had a lot of extra weight for non-nuclear mechanisms.

    For an 8 kiloton bomb with the same mass-to-energy conversion as the Mark 17, then, we proportionally lower the yield in joules to 1 kt = 4.2 x 1012 J. Afterwards, we perform the same equations to bring the total device yield to 33.6 x 1012 J. Dividing the yield of the device again by the yield of perfect mass to energy conversion, we receive the value of 0.373 grams. An object that weighs about 0.373 grams is something along the lines of an average fragment of a paper clip, or half of a monetary bill.

Comments: This actually works but just use E = mc^2 (creative solution)

Colleges Applied To: A Lot

Colleges Replied: One

Colleges Not Replied: A Lot – One

Colleges Accepted Into: One

Please don’t feel bad. I mean it. You have no reason to feel bad at all. In fact, I don’t mind – the less I think about such mundane things, the better it is. And the less you’ll think of it as well. Which is, all things considered, good – the less that such mundane things are considered, the better.

Really, such things are only distractions, it seems. I learned that the hard way. So don’t worry, okay? Only when you’re ready.

Either that, or I can turn off my brain and get hit for it. I’m so glad my brain has an on and off switch. And I’m so glad it’s in the “on” position so much nowadays.

I couldn’t have become myself as much as I have recently without you around, and for that I am grateful. Now if my brain would just be as grateful as I am, and out of mercy SHUT UP AND STOP THINKING BADLY, all would be even more well than it is now.

and now I retire to sleep. I love you.

Looking back, I have tendencies of foolishness.

What will I say about myself in a few years about myself right now?

I’m curious.

iPods are oddly wondrous devices. Even using iTunes and syncing without jailbreaking this thing, it’s surprisingly good and I’m enjoying using it.

Yeah, the iTouch is a great PDA substitute. Beats the hell out of the Palm Treo and everything that I used to like. There’s one thing missing that I loved though. Graffiti for the Palm OS was a nice little input interface – I became fluent in using it back when the Palm III was brand new. I wish there were something like that for the iTouch, though I’m not sure how the screen works. Electrostatic? You’d need a conductive pen or something, then.

Bloody hell there are no spoons I need a spoon there is no spoon goddammit.

Going to sleep in a bit, but I just wanted to note that I’m watching the movie

THE SUPER DIMENSION FORTRESS MACROSS: DO YOU REMEMBER LOVE?

again, and I just wanted to make a note that damn I love the cinematography. Why can’t new movies be like this?


ABOUT THE HAWKING CHILD

My name is Daniel Hawking.

There are three fractions that make up this persona.

One of which is sealed closed via the physical realm of the world. One of which is unlocked via the medium known as the Internet. One of which is standing tall, watching over the wondrous horizon in front of him.

Of the first, this is the one most who have met me see, the one shunned, the one unappreciated, the one treated as entertainment instead of a colleague, the one shunted off to the side.

Of the second, only a select few have been able to meet. Coherency and truthful thoughts are the hallmarks of those knowing this fraction, as are trust and belief. Most of the dearest friends know of this section.

Of the third...? Revival of the finest order, as the phoenix of a prince rises from his own ashes. The adventurer, a traveler.

Regardless of fates, this is who I am now.

Daniel Hawking. Prince of Aralonia.

One of many.

A representative of Aralonia.

Together, the collective mindset of a nation.

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