Recent content by rasperas

Thanks, selfAdjoint -that was what I wanted to know. Perhaps I was a bit too critical and generalizing of him and 20/20 -but it was a frustrating program to watch. Thanks, R

Michio Kaku?? Question: How was this guy connected to PF -I've seen his name around this site? Reason: He was in a brief segment of ABC's 2020 last night. The theme of the show was about different theories on the Acopolypse and how it might happen. Instead of a scientific and logical...

Hello, Is there a universal book of equation out there? -A book with a wide range of topics, from simple motion to complex electronics, that has equations that may be of practical(or not so practical) purpose. Perhaps this is more of a physics book I am looking for, but I thought the...

For personal simplicity, I was just expressing oxygen as non-diatomic; everything in the problem was adjusted to allow this. Thankyou for the help. After thinking about the problem, I realized it is an issue of accuracy. The rulers provided by school are standard "walmart" rulers. The...

Short Question- What is the product resulted from burning magnesium? More Detail- For a chemistry lab I had to react magnesium oxygen- and thereby find out the empirical formula. Below is the lab procedure and my work. Procedure- 1) Heat a clean dry crucible to redness. (to prevent extraneous...

Wow! For about a year I have been researching( a dreaded word) liquid propelled rockets. I am going to attempt to build one. Basically it is a monopropellent- hydrogen peroxide- with the fuel tank pressurized with n2. Solenoid valves control fuel as it passes through system. There is a pyro...

Well, I've been interested in lasers for quite a while-- but the FEL is really what fascinates me. I haven't been able to find much technical information on the internet about it, and my library is decrepid. But, still, never-the-less, I believe, just like any other laser, that it can be built...

Tommorrow I have a practical on the dissection of a fetal pig I have been doing all week. Today I removed the brain- intact out of the pig. I have completely forgotten a couple parts of the brain- and would like to remember them when I have the test tommorrow. Since the pig brain is similair in...

With all these cars traveling at high speeds down our highways and streets, it could be very well possible to incorporate a piezoelectronic device into the tar, and rig it to provide power for the city, stop lights, and/or traffic signs. Any ideas on it?

I recently noticed this on one of my favorite sites (http://www.unitednuclear.com/supplies.htm)- They are selling heavy water to civilains-- is that stuff legal to buy, I thought it was heavily regulated?