“ 17th century all over again I wonder if this is what it was like when people were still debating whether the earth circled the sun. (read full comment) ” 

Posted on October 26, 2009 at 10:26 PM EDT

“ You can already do some of that with even cheaper off the shelf technology. You can already buy light switches that'll turn on and off lights... (read full comment) ” 

Posted on October 3, 2009 at 1:12 PM EDT