Physics

A thought came to my mind. If only we could find or bring from earth the resources necessarily to build a particle accelerator in space, we would not need to worry about safety or space concerns which the future accelerators (i mean those far beyond the LHC) will bring up. So is it theoretically possible to build a giant particle accelerator (even larger than the LHC) in space?

what is its structure like how do u work out how much energy it has what happens when it it comes into contact with a electric and magnetic field and a general explanation please about them

What happens to the energy loss if the iron core in a transformer is taken out? I think the energy loss will reduce, is it right?

Ok I studied bernoulli and I can see how fluid would travel faster in narrowed regions but in most examples I see when something is narrowed the flow is reduced. Is this because of resistance? Also when there is resistance speed in the narrowed section is reduced right? I like to know what do they mean by this friction. Simply I'm asking in most occasion when something is narrowed the fluid flows slower due to resistance. It might be faster than non narrowed part but it is slow because of resistance(I mean if there was no resistance it would be faster) Is that right?

in the classic school experiment where students rub a ruler with cloth and bits of tissue paper are attracted to it, why are the bits of tissue attracted to it when they havn't been charged?

It can be found here. Anyone well on their way to become a bad theorist?

What is second cubed s^3 as in the wikipedia article? http://en.wikipedia.org/wiki/Volt

How does elastic recoil of arteries stop blood pressure going to zero and artey collapsing? Thanks

I know there is venous pooling due to gravity but how does this exactly affect pressure exerted on the walls of blood vessels. Does diastolic or sytolic blood pressure decrease? Thanks!!

http://www.backgroundscity.net/data/detailthum/4/clouds%20In%20Jamaica.jpg Look carefully. Why is there a "shadow" of this cloud visible?

Why may one not have a complete vacuum? How does every single particle both function as a particle and a wave? How does quantum tunneling work? ~Cyf

Hello everyone, Quick question. When there is a pipe and you constrict it there is higher pressure loss. Is this pressure lost permanent? What is this pressure loss, is it loss as heat, are liquid molecules converted to heat, are they lost? What happens to liquid molecules if the hydrostatic pressure drops to zero do they stop or do they still move because of the kinetic energy? Thanks!!

I recently graduated high school and it only made me realize how much I fudged it up. I slept every day in math class and I never took physics or chemistry. The thing is that I know I'm a smart person and I have an incredible yearning to learn everything about the fundamentals of the world we live in. I just want to expand my knowledge more than anything. The only thing I lack is the resources. I can't make it to college, not at the moment anyway. I was just wondering if anyone could direct me to a website where I could teach myself the basics of physics and the math I need to understand physics. I just need something temporary to teach myself until I can get back in scho…

How did space come into existance?

Hi: What is the minimum intensity laser possible? 1-photon-per-second is too small an intensity. Thanks, Green Xenon

I am looking to start a business up which will be producing sea salt. I am looking at ways to reduce the energy costs and would like to explore vacuum evaporation of sea water. My question is how much energy would this require if had to evaporate 75% of the water in a vacuum to obtain the salt. Assuming I am starting with one litre of water.

how many watts is deadly to a human?

Are the space trash really dangerous for an ordinary man that is living on the planet earth or no? if so, what is its danger? i know they're dangerous in some ways; but i want t know 'bout their influence on ordinary people.

if one had two glass bottles filled in with, say aluminium, with a metal rod sticking out of the top, and connected the metal rods to a battery, would the bottles build up charge/ become charged?

Hi: Is it possible to generate coherent light with a device other than a laser? If so, has this ever been done before? Thanks, Green Xenon

I was just thinking,which I try not to do, But it occured to me that everything since the dawn of our planet is still here, What I mean is that all living things and non living things never left our planet into space. This means that all mater is still here but in a differant. Kinda like a recycleing proccess..

Hi: Is it possible to design and build a laser that emits 400 nm light at the extremely low intensity of 1-photon-per-second. This is one extremely low power laser! Thanks, Green Xenon

First of all I have to say I have really confused myself on this one by overthinking and I'll ask my questions step by step. Any help would be greatly appreciated. General rule is when blood vessels constrict blood pressure increases. 1. Ok there is a container and gas molecules in it. If I decrease the volume of the container the pressure increases. This analogy can not be used for blood vessels right? I mean it is a liquid and has a blood flow. 2. It is said that when blood vessels constrict blood pressure increases. Blood pressure means the pressure at which the heart pumps the blood right? So when they say an increase do they mean an increase in blood pressu…

am i right in thinking that transformers can step up voltage to much higher levels? if so then what is the point in voltage multipliers? they are pretty complicated in comparison so surely it is alot simpler to use transformers?

Someone recommended I view lectures by Fibel or Sasel, at least that's how he pronounced the names. Say it out loud and if you can recognise it, please tell me the correct names (I tried googling either) So Fibel or Sasel/Cecil. Please if you have the time, Cyf