“ @James A. Burt Or, 0.5 gallons oil / year / m^2 --> less than 20 kWh / year / m^2, i.e. about a 1% conversion efficiency of the solar energy... (read full comment) ”
Posted on April 12, 2012 at 9:58 AM EDT
“ They claim that cells produced by their method could "could be as thin as 20 to 30 micrometers and still be just as efficient, or more efficient"... (read full comment) ”
Posted on March 13, 2012 at 8:30 AM EDT
“ @Spicoli For a given energy collected, solar panels use orders of magnitude less land than bio-fuels. This is the attraction of solar energy.... (read full comment) ”
Posted on March 7, 2012 at 8:36 AM EST
“ Why not DC for Residences? In hindsight, this greater efficiency makes sense since 3-phase power into a balanced 3-phase load is constant and the... (read full comment) ”
Posted on January 31, 2012 at 10:51 AM EST
“ Similarly, Solar is a Loser Using the same sort of analysis, one can show absolutely that solar energy will never fly. To wit: Solar energy... (read full comment) ”
Posted on January 5, 2012 at 8:23 AM EST
“ A 40-hour charge would require an increase in cathode capacity (Wh/g) similar to the improvement in anode capacity (Wh/g). Without any improvement... (read full comment) ”
Posted on August 22, 2011 at 5:11 PM EDT
“ Where is your data to support your claim of >4x speed increase since 2004? The article states >2x. Presumably, the full report will contain such... (read full comment) ”
Posted on September 14, 2010 at 9:52 AM EDT
“ Also, stove circuits are typically rated at 40 amps. At 230V and 40A, the time for a full charge is reduced to 3 hours. For dryer and central air... (read full comment) ”
Posted on December 15, 2009 at 9:06 AM EST
“ Whether global warming is caused by burning fossil fuels or not is somewhat of a moot issue since there are strong economic, environmental and... (read full comment) ”
Posted on December 2, 2009 at 9:49 AM EST
“ You're right. Solar in Chicago does not make sense now, but it will in 10 years - far beyond any politician's term of office. It would have made... (read full comment) ”
Posted on June 29, 2009 at 11:05 AM EDT
On Twitter
Become a Fan on Facebook
Subscribe to the Feed