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jansan commented on Analysis finds anytime electricity from solar available as battery costs plummet   pv-magazine-usa.com/2025/... · Posted by u/Matrixik
empiricus · a day ago
All nice and beautiful, but I don't understand how will this work in the winter in the temperate areas. You maintain parallel natural gas installations and ramp them up in the winter? Does this doubles the cost?
jansan · a day ago
This probably depends a lot on how close you are to the equator. Here in Germany output of solar in winter is negligible, and if there is no wind, which can happen for several consecutive weeks, we need a backup. No utilities company will build a fossil power plant that will be used only a few weeks per year, so our government will have to step in to make sure this happens.

On top of this you have very high costs for an increasingly complex grid, which needs to be built and then maintained. Prices will never again be as low as in the fossil/nuclear era.

jansan commented on Modern Walkmans   walkman.land/modern... · Posted by u/classichasclass
jansan · 6 days ago
A question to native English speakers: Do you really say "Walkmans", not "Walkmen"?
jansan commented on Strong earthquake hits northern Japan, tsunami warning issued   www3.nhk.or.jp/nhkworld/e... · Posted by u/lattis
markus_zhang · 7 days ago
I heard that smaller (relative) earthquakes actually lower the prob of larger ones, so maybe it is a good thing? A bunch of 7.X earthquakes in the ocean are not going to be hugely destructive.
jansan · 6 days ago
That is correct, but OTOH there was a 7.3 foreshock two days before the 2011 Tōhoku earthquake.

So the only thing we can say for sure is that it is still extremely difficult to predict earthquakes.

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jansan commented on Covid-19 mRNA Vaccination and 4-Year All-Cause Mortality   jamanetwork.com/journals/... · Posted by u/bpierre
jansan · 9 days ago
We should not forget, that in most countries people who were unvaccinated came under severe social pressure. They often lost their jobs or got banned from social circles. You were basically rendered an outcast by not being vaccinated. So taking the vaccine did not only affect your immune system, but also gave you a higher social status. And there are plenty of studies that show that a lower social status significantly impacts mortality, with lower status linked to higher death rates. This may explain the lower all cause mortality among vaccinated people.

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jansan commented on     · Posted by u/wonderfuly
jansan · 10 days ago
Looks like this time they first considered that they screwed up themselves, unlike the last time when they were fighting a phantom attack for a while until they realized that it was their own fault.

u/jansan

KarmaCake day2295February 22, 2017
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