[ExI] Legendary Battleship was diamandis commentary

[Stuart LaForge]

On 2026-06-03 22:04, Jason Resch via extropy-chat wrote:
> Not entirely relevant to this conversation, but I thought this was
> interesting:
> 
> https://youtu.be/pHk7uow62kk
> 
> This video did a simulation and cost analysis between using a modern
> destroyer with guided missiles vs. using a WW2 era battleship in drone
> defense.
> 
> It cost ~$300,000,000 in missiles to defend against 100 cheap drones,
> but it only cost ~$5 for the gun-based battleship to do the same.

Not at all. But we are not going back to gunships, you are going forward 
to the gunships of the science fiction future.

Japan has developed  working cost-effective railguns:

https://www.youtube.com/watch?v=N43dQQSUdQk

The U.S. has developed 100KW+ Laser cannons powered by nuclear reactors:

https://www.youtube.com/watch?v=yqu6RNTYIMQ

Obviously, both technologies could be adapted for outer space or on the 
moon.

What an exciting era to be living through.

Stuart LaForge










> 
> Jason
> 
> On Wed, Jun 3, 2026, 4:23 PM spike jones via extropy-chat
> <extropy-chat at lists.extropy.org> wrote:
> 
>> -----Original Message-----
>> From: extropy-chat <extropy-chat-bounces at lists.extropy.org> On
>> Behalf Of Adrian Tymes via extropy-chat
>> ...
>> 
>>> ...Reminds me of that tale of a Vietnam-era heavy shore bombardment
>> - not just bombardment of what was on the shore, but essentially of
>> the shore itself - that reportedly got summarized in a headline as,
>> "The New Jersey Sinks an Island".
>> 
>> _______________________________________________
>> 
>> The concept of bombardment improved continuously until it was no
>> longer needed.  The world is quite unlikely to ever again see big
>> guns used in any significant way.  My hope is that the same fate
>> will obviate nukes as well.  It will be all about precision and
>> software.  A battleship need not be large to do what it needs to do.
>> But it could have a very large escort vehicle along to draw fire.
>> We don't know what the naval engineers are doing.  They like it that
>> way.
>> 
>> spike
>> 
>> _______________________________________________
>> extropy-chat mailing list
>> extropy-chat at lists.extropy.org
>> http://lists.extropy.org/mailman/listinfo.cgi/extropy-chat
> _______________________________________________
> extropy-chat mailing list
> extropy-chat at lists.extropy.org
> http://lists.extropy.org/mailman/listinfo.cgi/extropy-chat