Recent content by rasperas

  1. R

    Why Was Michio Kaku on ABC's 2020 Discussing Apocalyptic Scenarios?

    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
  2. R

    Why Was Michio Kaku on ABC's 2020 Discussing Apocalyptic Scenarios?

    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...
  3. R

    Searching for a Universal Book of Equations

    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...
  4. R

    Chemistry Problem- Burning Magnesium

    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...
  5. R

    Chemistry Problem- Burning Magnesium

    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...
  6. R

    Exploring Amateur Liquid Rocket Engines: Safety and Feasibility

    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...
  7. R

    Explore the Fascinating Free Electron Laser

    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...
  8. R

    Biology- parts of fetal pig brain

    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...
  9. R

    Harnessing Energy from the Road

    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?
  10. R

    Heavy Water: Is It Legal To Buy?

    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?
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