Effects Definition and 1000 Threads

What are all the bad things that would happen if/when the geomagnetic field will reverse polarity? I already have, increased mutations, electronics are extreamly uneconomical, and all the solar wind, CMEs and plasma from the sun hitting earth. What happens to the sun when its poles flip about...

I need to know all the bad things that will happen if and when the Earth's geomagnetic poles will shift. Also, about every 11 years when the sun's poles change what happens to the sun?

Can someone point towards some useful information for me about the frequency dependence (over the audio frequency range) on acoustic mirrors, acoustic waveguides/horns and interfenece and diffraction effects please? Thanks

It is my understanding, that space time is expanding, and that gravitationally bound bodies will stay unaffected by this expansion while unbound bodies will. but is gravity the only force that can overcome this effect? could magnetic or electro static forces hold bodies in station? I do...

My understanding is that dark matter surrounds a galaxy in a spherical formation. What I don't understand this type of dark matter can explain the non-Kepplerian rotation of the galaxy. According to Gauss's law, in a spherical shell, only the mass inside the orbit of a body has a net...

Spintronic What is that ? What effects will it have on our lives?

I'm not sure what forum I am suppose to post GR questions so I am sorry if this is in the wrong spot. Ok my question is this. In classic phys. Newton required mass to have gravity. I read that in GR einstein required stress energy. If light has not mass or should I say a photon but EM waves...

maybe I am having dirreha of the mind but has anyone ever researched, what happens when we change a gravational field does it create someother field? like idk how'd we do this but you'd need to make a huge massive thing and then covert most of it to enegry in a matter of less then a second, does...

how will the potential energy of nucleons decreases with increase in nuclear force

Falling from an aircraft...effects? Deploying something from an aircraft or helo...what are the different forces that are going to act on that object, or rather, where would I find information about that. Say a relatively light box is dropped out of a moving helo, how would I go about figuring...

I am pondering if the supremacy of fundamental string theory as a model for the smallest description of nature has implied, as collateral damage, a decrease in the interest for the particle quest around the Standard Model. And same for SUSY and other extensions. What do you think?

I'm trying to do some thought experiments involving ionized gas. More specifically, I'm thinking about ionized air. For the sake of argument, let's just imagine that we're ionizing the air by sticking a pin out of a Van de Graaff generator that's positively charged. My main question is this...

Blood Pressure... What exactly is blood pressure? What causes it? (ie - on molecular level) Also, why is blood pressurehigh in arteries but low in capillaries and veins? Thanks in advance.

will the plant's respiration rate increasing while the plant is taking photosynthesis?

Does self interest negate the positive effects of a country's actions? The USA is constantly claimed to be selfish, despite the result of 'selfish' acts being HIGHLY positive for others (The marshall plan is a great example). Currently, it could be argued that we would like to develop oil...

I was told that when you release spray from an aerosol can, the can cools down. Is this true, and if so, why? Does the gas in the can require outside energy to expand and escape the can? Thanks, Alex

Hi guys, I'm from a site/forum dedicated to riding called http://www.alwaysmad.com/cgi-bin/ikonboard/ikonboard.cgi?act=Portal. We currently have a a bit of a debate going and I thought you guys might have a clear and confirmed answer. The question is this: Thanks in advance for any...

An annular ring of aluminum is cut from an aluminum like attached. When the ring is heated, 1)the hole decreases in diameter 2)the area of the hole expands the same percent as any area of the aluminum 3)the area of the hole expands a greater percent than any area of the aluminum...

So what causes this? I was at a clinic the other day, waiting on my girlfriends mom to get out, and was reading a big-muscle-guy magazine. I was looking at the performance enhancers/weight loss formulas/muscle building/etc in there (do any of these really work?), and I noticed ads like this...

what happens when there is a mass change in an object? the mass change is due to its change in its velocity, like when it accelerates from rest to near speed of light, there would be an increase in mass, but how does this happen? would there be a change in the atoms that makes up the object...

In the twin paradox, the twin who has gone into space and back at relativistic speeds supposedly comes back younger than the one who stayed on earth, the reason being that from the Earth twin's reference frame, time has gone more slowly for space twin. However, what has puzzled me is that from...

How does axis of rotation of a gyroscope alter from the geodetic and framedragging effects... and why is the axis pointing in a constant direction in the first place?

i've been reading Brian Greene's latest book and have enjoyed his excellent analogies and metaphors for understanding quantum mechanics (among other things). IANAP, but one thing that comes to mind as a theory is that the concept of particles that are non-local having an effect on each other...

say that you have landed on the moon's surface and you held the flag up and started to wave it around moon has no atmosphere but has gravity right ? than what would flag do when you wave it around ? i am guessing that the flag would be stiff but it would be looking down towards the moon...

The change in pressure, caused by the release of gas from an Lpg cylinder, will cool the contents. i am pretty sure that it does cool the contents. would the water vapour condense on the surface of the bottle and freeze? if the gas continues to be released.

If a black hole was sailing across the universe very near to the speed of light, what would the effects be on it? Would the event horizon change in shape, becoming more bulbous or less so in front of it, and would it live longer due to its relativistic velocity? And if you were traveling at...

Imagine one plate of a capacitor connected to a terminal of a electric AC source. Imagine the other plate of the capacitor to the right is connected to the other terminal of the source. From the point of view of classic electronics, a capacitor with such AC signal behaves just like a wire...

The once always regarded as the most effective method of teaching, was already proven to be in effective by many psychologists. These baffling results had proved the famous behaviorist, B.F. Skinner, wrong GREATLY! In one of the experiments conducted, children were splitted...

imagine two people in deep space, with no frame of reference but each other. if one of them is speeding along at near lightspeed, he might just as well assume he is stationary and the other guy is moving. how can we get around this problem, without something like the ether?? secondly, does...

About Time! This paper has such a obvious ring of truth about it, one can only hope that the misconceptions are finally laid to rest, and we can move forward, for there is Relativistic change in the air. http://uk.arxiv.org/abs/astro-ph/0310808 Here is an interesting paragraph:In special...

This CNN article http://www.cnn.com/TECH/space/ a big solar flare erupted today and it claims some kind of supercharged particles could hit Earth in one to two days….It talks about coronal mass ejections (CME)being associated with solar flares... I guess whatever it is that is predicted to...

http://www.mothersalert.org/moreinfo.html http://www.envirovideo.com/

What happens if a human was to be a immediately exposed to a vacuum, such as that in space? from what i understand they explode, due to the internal pressure having nothing to balance its force... but i may be wrong who here knows the answer?

For those of you familiar with numerical modelling of various phenomena, you will know about work like the various discretisation schemes, stability/gradient limiters for high order schemes and so on. The most broad sweeping improvement to the field of numerical modelling would ultimately be...

What would happen to an object if it reached the temperature of absolute zero? Would it just freeze? Explode? Or does it depend on the object?

The physics books show as that gravity deppends on distance at 1/r^2. But how we know that that is true at very short distances? Is there any proof? Could gravity deppend on 1/r^n whit n>2 at very short distances? What implications could have?

A "Simple" Relativity Question... I was asked this question on another forum, and it seems easy at first glance but may be more subtle: What would an observer on a very massive star (yeah, a well insulated observer) see about a small body falling in toward the star, from very far away? Would...

This is my first post and I have no formal physics background, so please be gently with me. :smile: I'm looking to get a better understanding of the effects of gravity on light and time. From what I've read (if I didn't misunderstand) a gravitational field will bend light to some degree. This...

You and a friend synchronies your watches. Your friend gets in a rocket ship and blasts off. He manages to get the ship going to 90% speed of light. You use a telescope to check out his watch. To you it looks like it’s running slow. When he lands back on Earth you check both the watches and see...

If you'd be kind enough to answer my qeustion, thanks. I'd like know what are the effects of alcohol on the brain? Permanent and temporary

This is an unusually important question. Could one determine the approximate age of a manufactured bismuth/magnesium/zinc composite somehow by the effects of UV, cosmic rays, or some other type of energetic particle acting on the material? For example, by microscopic examination or by some...

I have got many questions: 1. Is the anywhere that gravity is not present? 2. If there was two planets of equal size and mass, they were a distance apart. And an object was equal distance from both would the influence of gravity cancel each other out therefore making this an area gravityless...

i have been wondering... 1)how does gravity induce a thermodynamic reaction (specifically) 2)can the behavior of gravitons be predicted or are they virtual particlely (specifically: can they be controlled in the same way other sub-atomic particles can such as the...

hi,i have two questions i hope you can ansewer. what is the process that initiates star birth? how does gravity focus on a single point,that attracts space debris to eventualy form a star?

[SOLVED] Effects of a massive object on light and its relation to the 1919 Eclipse What happens to light as it passes near a massive object and how it this principle or concept connected to the 1919 lunar eclipse where Einstein’s Photoelectric theory was proved (both the apparent and actual...

[SOLVED] Effects of a massive object on light and its relation to the 1919 Eclipse What happens to light as it passes near a massive object and how it this principle or concept connected to the 1919 lunar eclipse where Einstein’s Photoelectric theory was proved (both the apparent and actual...

Can anyone explain what is blue shift and red shift?? And what effects they have?

hi i'm working on a program to simulate the effects of a golf shot accurately. I allow the user to set most of the parameters - such as the mass of the clubhead, loft of the club face (angle), the radius and mass of the ball, etc. At present, I've got a pretty lame implentation, which...

Hello. I was just at the super market, and i saw a drink which is supposed to give you "energy". It is called "Power Horse". Although it is very expensive (imported from Austria), i decided to buy it. Now, i don't really like the idea of drink that gives energy, therefore i suspected in its...

No, I'm not referring to the latest anti-Canadianism going on in the B(eautiful)US of A. (Actually that's all a cover for our special-ops... from the JTF2... who have been in Iraq for 2 months preparing the way for what was supposed to be a quick change of regime (and lube and filter). Yes...