Mon 6 Jun, 2005 09:57 pm - I would not want tanks under my seat pressurized to 5000 psi. Is the ultra capacitor or the fuel cells the heaviest component? How many minutes did it take to refill the hydrogen tanks at Albany?... (view)
Mon 6 Jun, 2005 08:49 pm - Titanium oxide has replaced lead oxide as the pigment in white and pastel paint. Neither is effective in shielding from cancer causing cosmic nor gamma rays, nor microwaves, nor survailence in the... (view)
Sun 5 Jun, 2005 08:57 am - As rap suggested the variables change radically from one vessel to an other. Small craft often discharge exhaust into the water while larger craft expel exhaust into the air. The wake of the ship... (view)
Sun 5 Jun, 2005 08:17 am - I pasted this from http://forum.physorg.com Please help with abbreviations and make comments.
Hydrogen takes up a lot more room than a gallon of gas does.
then there's the question of... (view)
Tue 26 Apr, 2005 09:59 am - I agree neither fission nor fusion bombs need oxygen beyond that contained in oxygen containing chemicals that are used in the triggering mechanism of some designs. Air or other gas however helps... (view)
Mon 25 Apr, 2005 05:48 am - "individual columns" If the bottom of a column moves with respect to the other columns, the adjustment must be allowed all along the length without breaking something. Perhaps all... (view)
Sun 24 Apr, 2005 06:25 am - I didn't find numbers or other details on the Solarie web site, so comparisons are difficult. Hopefully designers of very large structures will mitigate likely problems for nearby land owners.... (view)
Sun 24 Apr, 2005 05:59 am - "In this area the geothermal gradient is about 30C/km. The interesting thing found was that most of the increase in gradient was gathered around the top of the Farrington sand, (sort of like... (view)
Sun 24 Apr, 2005 05:45 am - Parados is correct. I had not considered Earthquakes, nor uneven shifting of the foundation bed rock. Perhaps even optimistic projections for CNT = Carbon nano tubes are insufficent to avoid... (view)
Fri 15 Apr, 2005 04:39 pm - Hi farmerman: Should I assume the city of Philadelphia is pumping water from about 50 feet below the surface that is several degrees warmer than usual due to heat from the buildings and using it... (view)
