[ExI] fossil fuels and nukes (was: Re: what did we learn?)

[Adrian Tymes]

I was talking about the gear (solar panels in particular) being in Earth
orbit.  That has been studied far more than the mechanics of beaming power
from the Moon to Earth orbit, so I assumed that was the case you were
asking about.

On Tue, Nov 3, 2020 at 4:33 PM William Flynn Wallace via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> Thank you Adrian.  Now does the same logic apply to that gear being in
> orbit?  I can see the difficulty of aiming from the Moon.  bill w
>
> On Tue, Nov 3, 2020 at 5:09 PM Adrian Tymes via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
>
>> On Tue, Nov 3, 2020 at 2:50 PM William Flynn Wallace via extropy-chat <
>> extropy-chat at lists.extropy.org> wrote:
>>
>>> Educate the ignorant here, please?  Isn't it true that the beaming you
>>> are talking about can be used as weapons with a little change of direction?
>>>
>>
>> Not so much.  You would need to focus the beam further as well.  Current
>> tech can focus well enough for wireless transmission to a relatively large
>> antenna on the ground, but for a weapon you would need much tighter focus,
>> unless you want to raze cities or similar (for which nuclear weapons work
>> better - and the nations which have a realistic shot at developing
>> space-based solar power already have nuclear weapons).
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