Supply Definition and 515 Threads

Hi there. Has anyone got ideas as to why blood flow to an organ is not really affected by vasodilation? Thanks.

So I'm building a CO2 laser for fun, basically. I have a tube that requires 11-18KV DC to fire. Right now I have a 20A variac, a 15KV transformer (30ma out) and then I need to build a rectifier. I have a bag of "1A, 1000V" diodes. So far, I built a full-wave bridge rectifier out of them. I...

Well we all hear of fossil fuels being depeleted soon. and the fact is that we don't have a lot of radioactive material around. So has anyone done a study on how much radioactive material is left that can be used in reactors. Including estimates on how long we have until that's through. Also...

Is there anyone who knows the answers of these two long-standing questions? 1. How can the orbital electron rotate permanently without energy supply? 2. How can the orbital electron keeps its position without merging into its nucleus when an external pressure applied on it if its kinetic...

I am making a large capacitor bank (I guess not that big, but enough to kill you a couple times over) and I need a little help with charging it. I am using 450 volt 1200uf electrolytic capacitors. I have them in two sub banks of 4 wired in parallel, and connected to each other in series. I only...

why do power supplies like computer power supplies have high voltage caps?

Let supply and demand functions for butter pecan ice cream given by p=S(q)= 2/5q and p=D(q)=100 - 2/5q where p is the price in dollars and q is the number of 10-gallon tubs. Find the equilibrium quantity and the equilibrium price. do i just set them equal to each other?? 2/5q=100-2/5q...

hello... I'am Fandi from Indonesia. Because the lack of books and the economy crisis present in Indonesia, I encountered problem in finding good reference. can anybody tell me how generators supply electricity to houses? is there any online references? Thanks before. :smile:

Many people, including those in the scientific community, believe fluoridation of our drinking water is a serious health detriment. Can anyone support the opposing view that our drinking water is completely safe? The Arguments against Sodium Fluoride in our water are many, here are some...

I am working on trying to get a reliable power supply primarily for my Electrolytic Cell, and secondly for any other power supply needs that should come up. I have pretty much concluded that a computer power supply will suit me best. In the past, I hav been using a AT power supply, but I...

With a loud pop and a puff of smoke my 300 W ATX power supply died last night and I find myself looking to quickly buy a new one. I was wondering if I should replace it with a higher power one. I ran this one for 3 year with most of this hardware without any noticeable problems. Rather than...

http://www.boston.com/news/nation/washington/articles/2004/12/05/bush_not_alarmed_by_warning_on_food_supply/ having done a lot of work in the food industry [large scale production applications] and I can certainly vouch for the danger. In fact I have commented on this fact many times while...

hi, I want to power a digital pen using a USB connected to the PC. What is the exact procedure for this...as in do i require any external circuitry? I also heard about this DTR pin which when permenantly enabled, acts as a power supply. can anyone enlighten me about these things? thanks.

What's a good online chemical supply co? (cheap, fast, reliable) I'm looking for the following to do a experiment: Aniline 4A Molecular Sieves Dry Methanol Tetrahydrofuran (THF) HCL NaCl NaOH CH2Cl2 Pyridine Propionyl Chloride Acetone

My power supply is making weird sounds! HELP Hey guys, my power supply (possibly my cpu fan - but i think its the power supply) is making funny sounds, like a dieying chicken, its getting really loud, then really quiet. Acting strange, I detached it from my case, and I am trying to figure out...