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Yes it does exist, for example ThinkPad X1 Hybrid. And no, this update won't allow them to be used simultaneously, that is a separate issue that is not addressed here.
I didn't forget it, this calculation is based on instantaneous or average power, so EROI of the panels isn't relevant . . . nevertheless . . .
It turns out the EROI break even point for poly- and monocrystalline panels is 4-7 years over a lifespan of 20 - 30 years and for lower cost thin-film panels it's 2-4 years over a lifespan of 10-15, assuming installation outside the arctic / antarctic circle.
correction - should read United states average insolation over 24hrs = 100w per square meter (pessimistic)
United States area = 9 trillion square meters (approximate)
United states average insolation over 24hrs = 100w (pessimistic)
United States average energy draw all forms of energy = 3.4 trillion watts
Photovoltaic conversion factor = 15% (pessimitistic)
area * insolation * conversion factor = 135 trillion watts average over 24hrs
135 trillion watts > 3.4 trillion watts, even given these wildy pessimistic assumptions.
of course covering the whole of the USA with solar panels is ridiculous, then you have storage to deal with, but yeah, your sums are out by several orders of magnitude.
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What in god's name are you talking about man??
When your shit is the best, they won't sue for fear of the consumer backlash.
Also, being in hungary helps.
The figure alone tells us precisely nothing about waste and inefficiency, though obviously the lack of single payer, socialized medicine system is a huge efficiency problem for US healthcare, what with the PBMs, insurance corporations, etc. taking their cut and clogging up the works, not to mention the uninsured masses . . .
Anyway, 1/6 seems about right. If they had their priorities straight they would spend less on things like drug wars and the military (though I heard recently this is happening). Then there would be enough money left to spend an even greater proportion on healthcare, which after all is a fundamental indicator of the advancement of your society (and in which regard the US is a laughing stock amongst other industrialized countries).
So you'll avoid hyperinflation by engaging in the very herd-behaviour patterns that cause it? Maybe you haven't thought this through
What I'm arguing against here is what I see as a deep misunderstanding amongst pop-economists of thermodynamics and the economics of energy supply (eg. EROI), the disastrous failure of existing economic models to effectively manage limited energy resources, the vulnerability of economies, and industrial civilization itself, to sudden collapse in the face of declining cheap energy supplies, and ignorance amongst economists about the necessity of maintaining atmospheric homeostasis for the continued existence of our species.
I hear arguments all the time of the form "$x/bbl oil will make energy technology x economically viable.", as though there would be capacity in an economy to re-equip its industry at a time when the vast majority of its people cannot obtain food or fuel and their homes are underwater. That doesn't work at all.
Unfortunately economics today is a counterproductive pseudoscience that compromises people's critical faculties, their capacity for big picture analysis, and their ability to help us prepare for / prevent a future characterized by hazardous environmental conditions and absence of cheap, availably energy sources.
Once the energy cost of producing a barrel of oil gets anywhere near the energy we can retrieve from it, game over