Other Sciences

For those of you who may occasionally perform or review air pollution dispersion modeling studies:

Ok, me and my girlfriend were arguing about this question. If 3 people were holding hands and one person stuck his finger in a electrical socket, would all 3 people get shocked and get hurt. what she heard is that the middle person would not get hurt but the first and third person would. what is correct and could you explain. thanks alot.

I know that long wavelength radio frequencies go through most objects simply because the objects arent longer than the wavelength. But it is saidf that they tend to follow the countour of the earth. Does this mean the same thing or is it something else?..If so why do they do this?... Also why arent eh yused in comkputer network communication??

We've all seen the slump in the computing sector in the past few years, and yet there are still several sectors whoes IT demands have not been met fully. The best example of which is Life sciences. Although, many research and phramaceutical organisations utilise computing technologies for advanced research managment rather than just word processing and checking e-mails, more organisations are calling for more IT products for the life sciences. Most of the big names, including IBM, SGI and HP and many more, have already started focusing on the Life science sector and see it as a great opportunity for investment. What I find confusing is that Universities haven't pi…

My brother and I built a spud canoon this past week, but we're having trouble finding a reliable means of igniting the fuel. We're using common aerosol hairspray as the propellent, but we can't seem to find a good way to spark it inside the chamber. We started out using a flint lantern lighter, but that only worked a few times before it was so coated with hairspray and other crap that it wouldn't spark anymore. I just tried using a BBQ lighter, but it only worked one or two times. I'm looking for a CHEAP and RELIABLE way to spark in a low-oxygen environment. Any ideas?

Hullo, new to the forums. I have plenty of ideas of my own which I will later ask you guys to pick at and appraise, but today I come to ask about the validity of a rumor I heard. Google failed me, so please help: I heard, probably on the radio, about new military armoring methods. Amongst other things, such as synthetic spider silk body armour, there was mention of "bulletproof gel". Gel that, when hit fast, solidified and became impenetrable. I vaguely remember something similar in chem class, we had this goop, you hit with a hammer, and its rock hard. So 2 questions: Anyone know about this bulletproof gel (military/nasa were mentioned) And: Is it different f…

This site is a fairly cool idea. Basically, companies post chemistry and biology problems they have and offer money for people to solve them. The prizes offered are mostly around $5,000 - 50,000, and so the questions aren't easy. Nice to dream about anyway. http://www.innocentive.com/

When you have two magnets next to each other with opposite poles closest to each other, are you feeling the elctromagnet force, or are you feeling the electrons being transfered from the negative pole to the positive pole? I am trying to understnad what a magnet is on the molecular scale. Thanks.

I just want to clarify this. What is casues deafness? Below are the reasons which I have been told, but, which one is it? I am talking about permanent deafness! 1.Exposure to a loud sound (let's say 20 minutes), not on a frequent basis 2.Exposure to a loud sound (let's say 8 hours), not on a frequent basis 3.Exposure to a loud sound (let's say 20 minutes), on a frequent basis 4.Exposure to a loud sound (let's say 8 hours), on a frequent basis The loud sound is not something like a jet fighter taking off a foot away from you Its like loud music at a disco or somthing! Which one is it? {edit} Could this thread be moved to a biology forum or gen…

if u smart u willl be able to put a sentence or 2 down for each for theses things dont worry there all pretty easy 1) what 2 things must occure for worok to be done? 2) How would u calcualte the mechanicle advantage of a machine 3) Name 6 types of simple machine and a example for each 4) What are the functions of a simple machine 5) wich simple machines can produce and speed advantage and wich can produce a force advantage 6) what is the diffrence between a wedge and a inclined plane? now of course if u get 3 u get 50% i knew 5

Anyone interested in or involved with air pollution dispersion modeling is invited to visit the website at: ........ www.air-dispersion.com <== click here to learn about "Fundamentals of Stack Gas Dispersion" ... a very comprehensive reference book on dispersion modeling of continuous, buoyant pollution plumes. The website provides a brief description of the book, peer reviews published in technical journals, the book's complete table of contents, and other information. Topics covered in the book include: classifying atmospheric stability; determining of buoyant pollution plume rise; Gaussian dispersion calculations and modeling; developing windspeed pr…

Alright, I don't know where I got this mineral, I jus found it in my closet, lol. It seems to consist of pinkish crystals in a light purple background. The purple background has a streak of white, and the pink crystals are very hard, and dont have much of a streak at all.

I have an idea for a perpetual motion machine. I know that perpetual motion is impossible, but I want to know why this won't work. Here's my idea, I'm sorry if it's been done before. I got it from playing "The Incredible Machine" First, you've got a ramp. There is a hollow magnetic cylinder at the top with the positive charge facing outwards and the negative charge in. The magnet reaches the bottom of the ramp and hits another ramp, going in the opposite direction. There is a magnet at the end of the second ramp that has the positive side facing up. This repels the magnet up to the top of the ramp where it starts over again. Here is my feeble attemp at ASCII …

well I just have a COUPLE of questions to ask a bit of stuff i would like to know about matter and mixtures like distillation ..etc When is distillation effective? Describe 3 ways to seperate a solution Explain the diffrence bettween dilute and concentratedsolutions Qaulitive and Qauntitive observations???? Factors that affect the rate of dissolving Explain distillation in detail

Uniform inercial movement used as reference mark respect the others movements of the universe, to be able to compare these between themselves mathematically. I got a very very little problem with this concept. The time is relative, but which is the original time, and i was talking about traveling to the time, but thinking it on another way, if the time of the whole universe talking about general movements, and moving backwards (for atoms and stuff) are also a movement, we would se it travel thru time thinking in our time, but relative to the whole universe time, the time is directional nor relative.

I really really need your help with the following question. I can't seem to find the answer no matter how hard I try. In order to cook a roast, you can stick a metal rod into it as is commonly done in baking potatoes and since heat is then conducted into the meat's interior quicker than directly through the meat, the meat cooks much faster. There is a device, though, called the Sizzle Stick which abandons the metal rod in favour of a hollow metal tube which contains a wick from end to end and water. People claim that the conduction of heat is 1000 better than with the solid tube, and indeed, cooking times may be cut in half. So, my question to you is : Why would a hollow …

"My ambition is to live to see all of physics reduced to a formula so elegant and simple that it will fit easily on the front of a T-shirt." physicist Leon Lederman Wow, thats a tall order...The theory of everything on a back of T-shirt. what is the universe, how does it work....before there was even a universe, and nothing but physics held everything together, what were the laws of that primoridial physics.........oh man..I am out there tonight, baby, touching the face of God. In the beginning there was physics...from Planck, to Einstein...to Aristotle... from the String theory to photons bouncing off each other.... The Theory …

Hello, I have a friend that would like to put a pool in his livign room but is concerned about the weight of the pool...he lives in an apartment building so in between each floor it's concrete the pool holds 705 gallons (2680 litres) and its diameter is 9 feet and the water will be 21 inches high...i figured that 2680 litres weighs 5,908lbs or 2,680 kilograms.....also the area taht this weight will be on is about 63.6 feet (pi x r = 4.5^2) however i don't know how strong concrete is and whether it will be able to sustain this weight (which seems like a lot to me) any and all help is appreciated! thanks

How does a sea is covered with ice? Isn't that warmer water flows upward and cold water sink?

When we write chemical formula, such as water+sodium hydroxide H2O+NaOH, if we don't know the product , can we still have the correct answer?

If it can, then how cold should it be for it to freaze? I've seen the movie "The Day after Tomorrow" and without destroying the point (actually a nice movie) -- I just thought how cold should it be for the oxygen to freaze... I'd appreciate if you WONT put spoilers in here by the way let people enjoy the movie as it is. ~moo

HEy I'm currently doing a research and i need to know of a material which is an excellent abosrbent of facial oil. Pls Help

Since this is a fairly common discussion and or interest, I thought this might be an interesting read for those that are curious. http://www.biomedcentral.com/news/20040527/01/ PS. Not sure if this is supposed to be in the news section or not, but since my last erroneous go at it, I'm feeling a bit reluctant of placing it there.

I'm writing a book that deals with the concept of evolution applied to society and life (which is all part a creation of evolution anwyay, but usually (prolly never) are evolution concepts in politics and such). i'm being kinda general on the off-chance that someone would take my specific idea and publish it in a way i don't want. So i was wondering what kind of math is involved in evolution. I know the really basic stuff, i want to know what kind of more complex alogrithims or whatever could be involved in higher types of evolution. Strategys of survival, whatever i don't even know where to start. I regret that i did not have the spine to take AP Calculus with some …

Which scientist do you know the most, and why?