“ Penrose hasn't got *any* argument. His whole claim is based on the assumption that conscious beings perform computations that are impossible to do... (read full comment) ”
Posted on August 11, 2011 at 2:57 PM EDT
“ This thing runs off depleted uranium. It could *burn* the stuff that we're stacking up and calling waste. Burning the fuel more completely uses... (read full comment) ”
Posted on July 27, 2011 at 1:59 PM EDT
“ Temperature's temperature, the film has no way to know if it's at a given temperature due to the action of other layers of film...so cascading... (read full comment) ”
Posted on August 11, 2008 at 2:07 PM EDT
“ Not a cloak! This is not and will never be a "cloak" for vehicles or people. Such a thing would not only require production of very large objects... (read full comment) ”
Posted on August 12, 2008 at 10:34 AM EDT
“ It is a fuel, but one that must be made, which distinguishes it from nuclear fuels, petroleum, coal, etc. It would be more precise to say that... (read full comment) ”
Posted on August 4, 2008 at 11:07 AM EDT
“ There *will* be a change in the path of the vehicle. The force applied to a solar sail is very nearly perpendicular to the sail regardless of its... (read full comment) ”
Posted on July 25, 2008 at 10:34 AM EDT
“ Indeed. The article appears to be either the work of a crank or of the information being filtered through someone who lacked any understanding of... (read full comment) ”
Posted on August 1, 2008 at 11:01 AM EDT
“ Wear occurs differently at microscopic scales. Similar micromirrors are used in digital light projector systems, and don't wear out over time... (read full comment) ”
Posted on July 21, 2008 at 10:01 AM EDT
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