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Cake day: October 20th, 2023

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  • Presumably superconductors are a given at that level of technology. But also at megastructure scale, we could easily talk about very exotic energy transfer methods. Mirrors, microwave transmission antennas, kilometer wide conduits of highly conductive “ground” material, large scale production of fusion fuel, maybe usable power from heat difference is such an efficient process at any scale that the sphere just has a hot side on the inside (towards the sun) and a cold side on the outside (towards cosmic background) and anyone who needs power just patches in a heat pipe to the inside surface.

    Actually there’s a lot there on that last one. Large efficient power plants could be built anywhere where people needed them hooked with big heat pumps into the inner surface and outer radiator surface, smaller applications could just hook into the inner surface and radiate heat passively and let the climate control deal with it. Rogue energy thieves could be tracked down by scanning for unregistered cold spots on the inner surface.







  • There are too many responses here to reply to all of them individually so I’m just going to post some quotes here, more in response to other comments than the OP, but perhaps also a perspective to consider for OP as well.

    “That rifle on the wall of the labourer’s cottage or working class flat is the symbol of democracy. It is our job to see that it stays there.”

    • George Orwell

    And the shockingly only increasingly relevant full quote from one of the founders of the Black Panthers party:

    “Any unarmed people are slaves, or are subject to slavery at any given moment. If the guns are taken out of the hands of the people and only the pigs have guns, then it’s off to the concentration camps, the gas chambers, or whatever the fascists in America come up with. One of the democratic rights of the United States, the Second Amendment to the Constitution, gives the people the right to bear arms. However, there is a greater right; the right of human dignity that gives all men the right to defend themselves.”

    • Huey Newton

    I’d really ask more people to consider their position of privilege, to be less afraid of state sanctioned or enabled violence of all forms than some crazy neighbor with guns who was likely failed many times by that very state to have come to this point. Please just consider the counterpoint, that armed minorities are harder to oppress, and that far, far more people have been killed by state sanctioned and enabled violence, than by access to firearms by “the common people”.

    I’m not telling anyone that they’re wrong, I’m just asking that you really internalize and consider this perspective. Thank you for reading and thinking.



  • Finland has very similar access to guns, yes it has much fewer total guns but that is much fewer people having many guns, they have a very similar percentage of homes with at least 1 firearm in them as the US currently does. It is actually a myth that they control the ammo, they control their military ammo, not their hunting/personal ammo. Switzerland is not THAT far behind though they I believe do have tighter restrictions on ownership. Also the percentage of households with at least 1 gun in it has remained mostly unchanged in the US for the last 60+ years, and the types of guns available have also remained largely unchanged, intermediate caliber semi automatic mag fed rifles have been shockingly cheaply available in the US since the M1 Carbine became available as military surplus after WW2. Something other than “availability of firearms” is very different now to explain the gun violence (it’s mostly culture and systemic poverty).








  • You are misunderstanding the confusion, Kwh is an absolute measurement of an amount of power, not a rate of power usage. It’s like being asked how fast your car can go and answering it can go 500 miles. 500 miles per hour? Per day? Per tank? It doesn’t make sense as an answer.

    Does your computer use 100 watt hours per hour? Translating to an average of 100 watts power usage? Or 100 watt hours per day maybe meaning an average power use of about 4 watts? One of those is certainly more likely but both are possible depending on your application and load.



  • kerrigan778@lemmy.worldtomemes@lemmy.worldSelling out
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    3 months ago

    I thought I stated my opinion pretty clearly. I can do it again for you. It is disingenuous to say that everyone has a price, that’s just something people say to make themselves feel better about benefiting from compromising their morals. Everyone needs to look at themselves and their principles and make a decision based on their beliefs and their situation. But saying “if I didn’t someone else would, anyone would do the same, everyone has a price etc…” is a cop-out.