“ I am not a computer scientist, a logician, or an expert in cognitive sciences. I wonder if someone can answer my question: is success in Jeopardy... (read full comment) ” 

Posted on February 1, 2011 at 9:33 PM EST

“ "stone age innovation" sounds like an oxymoron to me. (read full comment) ” 

Posted on January 25, 2011 at 9:12 AM EST

“ photos from near space fantastic, but when are you going to show us the photos?!? (read full comment) ” 

Posted on December 22, 2009 at 6:24 PM EST

“ h-bomb maloner i think you are correct in regard to the "atom bomb" which uses only fission, but i believe that the "h-bomb" uses fission only as... (read full comment) ” 

Posted on June 30, 2009 at 1:18 PM EDT

“ chemists i know physicists and chemists are not considered to be the same, but i don't really see the distinction. I would put mendeleev on the... (read full comment) ” 

Posted on June 24, 2009 at 11:04 PM EDT

+ 2 more comments posted in this discussion

“ ethanol there may be better fuels as you suggest. the only three things ethanol has going for it are 1.)that there are a diversity of methods for... (read full comment) ” 

Posted on June 16, 2009 at 1:44 PM EDT

“ hyperion i agree. the hyperion reactor is very small, designed to power a relatively small community, is fueled at the factory, then transported... (read full comment) ” 

Posted on June 16, 2009 at 1:24 PM EDT

“ Janovsk is right. I use puppy linux as a live CD, it's free, and I can use it to log on quickly and use the web rather than booting up windows. ... (read full comment) ” 

Posted on March 6, 2009 at 7:52 PM EST

“ I'm quite sure I read somewhere about mobile refineries which could be transported to the site of sorghum harvesting just as you suggested. The... (read full comment) ” 

Posted on July 29, 2008 at 11:57 PM EDT

“ I think the solar thermal power plant using a stirling engine is marvelous. How about building wind farms in remote areas and using the electric... (read full comment) ” 

Posted on June 6, 2008 at 7:09 PM EDT