A car running on 10kW electric from a cold fusion device connected to a 5% efficient heat to electric converter (steam or bismut or whatever) would spit out 200kW of waste heat, that is equivalent to 15 strong patio heaters. Are you really sure, Jed, we don't have to worry?
On Fri, Oct 21, 2011 at 2:33 PM, Jed Rothwell <[email protected]> wrote: > I wrote: > >> >> What do you think it would cost to build a 2 TB hard disk in 1979? It >> couldn't be done but if someone did it would cost tens of millions of >> dollars. Now it costs $100. > > Correction, it would have cost roughly $400 million, in 1979 dollars. That > is based on the cheapest hard disks available at that time which cost $193 > per megabyte. 2 TB equals roughly 2 million MB * 193 = 384 million bucks. > See: > http://ns1758.ca/winch/winchest.html > Regarding thermoelectric devices, however difficult it is to manufacture > them today, it cannot be more difficult than making semiconductors or NiCad > batteries, which are cheap. my point about the cost of bismuth is that > material cost is modest. > Heck, even if you make them out of gold the material costs will soon be > cheaper than they are now. Extraction and recycling costs will fall with > cold fusion. People say the amount of gold in the world is limited, but > there is plenty of low grade ore, and -- to take the long view -- probably > much more elsewhere in the solar system. > - Jed >
