redesign of ONeill cylinder mirrors

victoriatangoman wrote:

>--- In spacesettlers@yahoogroups.com, Anton Sherwood wrote:
>
>>victoriatangoman wrote:
>> > For the "light tube" where does the light come from?
>>
>>The "hatbox" design has a small window in one pole of the habitat
>>
>>
>(which
>
>>is otherwise entirely shielded), and a parabolic mirror at mid axis to
>>distribute the light (leaving the other pole in twilight). That's not
>>the only possible approach!
>>
>>
>
>What's to stop the window material from melting?
>
Hm, active cooling?
Put some turbines in between the window and the radiators and you have a
powerful power station.
(Wasn't this discussed some months ago?)