“ power from space Something is very wrong with the numbers. The power density is described as comparable to the leakage from a microwave oven, and... (read full comment) ” 

Posted on April 16, 2009 at 4:06 AM EDT

“ why aerospace can't compete for talent After many years as an engineer inside and outside of the aerospace industry, I will never again put up... (read full comment) ” 

Posted on March 6, 2008 at 2:19 AM EST