On Mon, Sep 29, 2008 at 01:13:55AM +0530, Deepa Mohan wrote:

> If only all of us could use solar energy directly....I cannot even begin to

Baseline human metabolism is only 100 W. That's 2.4 kWh/day,
or an area of 4 m^2 at 20% efficiency, in my latitudes (it's
probably almost half that in yours). 

Compare that to 

http://www.chalain.culture.gouv.fr/culture/arcnat/megalithes/en/neo/fsneopop_en.htm

(I presume modern maximal sustainable population density at neolithic
technology level and no fossil input would be somewhere 1 person/5-10 ha).

> visualize a world or a system without the need for
> hunting/gathering...feeling quite staggered as I think of it.
> 
> ...the vegetaryans.... as opposed to the vegetdravidians?

-- 
Eugen* Leitl <a href="http://leitl.org";>leitl</a> http://leitl.org
______________________________________________________________
ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org
8B29F6BE: 099D 78BA 2FD3 B014 B08A  7779 75B0 2443 8B29 F6BE

Reply via email to