Re: Colonization

>Roger writes:
>
>What's wrong with joule?
>
>> 1E11/3.6E6 = 2.8Kw-Hours.  Even assuming 10% efficiency
>> that's still only 28Kw hours to orbit.  Pretty cheap.
>
>Sorry Roger, the last time I checked one hour was 3600 seconds,
>or 3.6E3.

Didn't keep the original post but perhaps the other E3 was
converting from watts to Kw?