“ The current state of 3D printing hasn't yet reached the resolution you need for printing small parts.  I am considering prototyping some parts for... (read full comment) ” 

Posted on April 3, 2012 at 12:40 PM EDT

“ Interstellar travel Theoretically at least, one could create a thermonuclear reactor (a la Tokamak) that used hydrogen as fuel, and created... (read full comment) ” 

Posted on January 11, 2011 at 3:01 AM EST

“ Don't delete -- fight back! Instead of simply deleting every spam message I forward it to SPAM@UCE.GOV, including the full header information - in... (read full comment) ” 

Posted on July 15, 2009 at 2:47 AM EDT

“ Hogben's Epics I wonder how many readers have come across a book my father gave me when I was in high school, that gave me back a view of the... (read full comment) ” 

Posted on June 22, 2009 at 4:58 AM EDT

“ My father won a school prize in 1897: "The Story of the Heavens: by then Astronomer Royal Sir Robert Stawell Ball, LL.D., D.Sc. - new 1897 edition.... (read full comment) ” 

Posted on May 8, 2009 at 1:33 PM EDT

“ Earthquake safety? With liquids sloshing around in giant batteries, what is the likelihood that in an earthquake the metallic electrodes might be... (read full comment) ” 

Posted on March 2, 2009 at 11:28 AM EST

“ Many of us technophiles are ready Utah is one area that has decided to wait until June to make the switch. Like most of the techies here I've... (read full comment) ” 

Posted on February 12, 2009 at 7:30 PM EST

“ Not all DTV boxes are equal I ordered my government coupons fairly early last year, and there was a shortfall in analog pass-thru boxes that... (read full comment) ” 

Posted on January 6, 2009 at 11:49 AM EST

“ 3DTV Systems I once worked with the late Jim Butterfield in L.A., the "guru" of 3D Television Systems Inc., who had some 40 patents in the field. ... (read full comment) ” 

Posted on June 12, 2008 at 1:35 PM EDT

“ I think a Harry Potter style "invisibility cloak" is far from likely based on this research. Since it appears to operate over only a narrow range... (read full comment) ” 

Posted on April 11, 2007 at 2:14 PM EDT