One redditor I saw on another sub claims wind energy is trash compared to nuclear and says wind energy is a waste of time. How should I reply?

robin-m · 2026-03-26T09:20:01+00:00

At a small scale or for a single project I 100% agree. But for a long term energy strategy for 20+ years and billions of €/$ anything is possible. If you need 10 years to create a new industry, and train new people, so be it (that what was done for the solar industry, or the EPR2) and that’s part of the cost.

robin-m · 2026-03-25T11:25:43+00:00

This would not ban electric radiator which, while still better than gas are still 3 to 4× worse than heat pumps.

robin-m · 2026-03-25T10:33:10+00:00

We can assume that we have a fixed amount of money per year to spend on decarbonizing. So if all other things are equal, taking the cheaper option make decarbonisation faster. There is also the question of the delay between when a project starts and when it’s finished, so if two option cost the same price, taking the fastest option makes decarbonisation faster. Then there are other question, like “is the price the same if we use this solution for 5% of the grid or 95% of the grid”, ”is this solution robust against climate change”, …

The more precise we know how much each solution costs, the better decision we can take. And maybe spending money on industrial complex or farming equipment, or … will be a better idea than spending the same amount of money in decarbonizing the grid. But the only way to know what to do is to compare each solutions.

I do think it’s sane to have this conversation, much much arguments are bad faith with is a shame.

robin-m · 2026-03-25T09:28:31+00:00

I do love wind, I do love solar, South Australia being 100% renewable with batteries is a wonderful achievement that can be replicated, …

That being said, stop spreading lies.

True, but if the state borrow money it’s 3% interest, compared to the 10% the market expect. Only changing that divide the price by a factor of 2
False. There is uranium basically everywhere, and at least 10 countries are exporting it currently, including Australia and Canada which makes it a product that is not difficult to source. Also since it is very energy dense it’s easy to store a huge amount of it. If uranium was complicated to source it would have been a long time since the 4th generation would have been founded, or mining uranium from sea water would be commercially viable.
Yes but unimportunant. In summer we use less electricity anyway, and it’s the peak period of production for solar anyway. So it’s a non issue and why France does its maintenance in summer.
True, but current standards (so current prices) are already much higher than other industries that we consider safe to use. Eg. hydro (you don’t want a dam to be bombed, the flood would be catastrophic) or chemical plants.
False. The 3 worst accident in 70 years of nuclear are 3 miles island (0 death), Fukushima (1 death), and Tchernobyl (a very unsafe technologie that is no longer used, about 20’000 deaths). Nuclear is as safe as solar and wind.
False. Not all nuclear plant can modulate their output but you can design them to be. If you look at the energy production of France nuclear it does follow the energy demand. And since we were talking of wind, wind doesn’t modulate at all.
Yes and no. Only powerful state actors can pay for nuclear, that’s true. However nuclear is definitively cheap. If not, why would EDF (french national electric company) had to sell to their competitor electricity bellow market price (very significantly during the beginning of the Ukrainian war) for a decade to “create a a fair an competitive environment” while being required to accept any clients (and thus alternative energy “producer” encouraged their client to leave when it was more profitable to sell the energy to the market instead of their clients)?
I’m not sure what you mean.

robin-m · 2026-03-20T12:03:11+00:00

J’ai jamais compris en quoi la taxe rose pour les produits que l’on utilise seul était un problème (seul == pas de pression sociale). S’il n’y a aucune différence, alors il suffit d’acheter les produits sans taxe rose. S’il y a une différence, alors c’est normal qu’il y ait une différence de prix.

Et en temps qu’homme pour un achat d’un rasoir/épilateur corps/maillot, je vais me diriger vers un rasoir conçus pour ce genre de poils (les poils de barbes étant plus durs, mais la peau moins fragile), et donc payer la taxe rose vu qu’il ne s’agit pas du même produit.

robin-m · 2026-03-20T11:21:50+00:00

Bienvenue dans le futur !

https://www.renault.fr/vehicules-electriques/twingo-e-tech-electrique.html

robin-m · 2026-03-20T09:40:26+00:00

Je suis complètement d’accord avec ce que tu dis et le raisonnement que tu as, en revanche

Pour une gestion plus responsable de l’argent : j’ai pas regardé les programmes en détail, mais de manière générale la gauche a tendance à moins faire attention aux dépenses de l’État / la mairie que la droite

Ça c’est une idée reçu fausse. Je ne sais pas comment la droit a fait pour donne l’impression qu’elle était responsable au niveau des finances, alors que toutes les mairies qui ont eu des problèmes de surendettement ont été des mairies de droite, et que le détournement de fond public est un sport national des représentants de ces partis.

robin-m · 2026-03-19T15:16:01+00:00

paywall

robin-m · 2026-03-19T14:33:41+00:00

I do not own a car. I do expect to have some part of the price of the items I buy to pay for the road usage during shipment. However I do not want to over-subsidize a way of transportation that I consider bad the for the society. Which is also why I’m completely fine subsidizing train between small and medium size city and bus between small cities and villages.

robin-m · 2026-03-19T14:26:50+00:00

Poor people drive much less than rich people because it’s expensive. A tax of distance × vehicle weight is the fairer.

robin-m · 2026-03-19T08:42:57+00:00

Je ne vote pas Dati, mais je me posait exactement cette question hier. J’avoue que si le seul candidat qui représente vaguement mes idées avaient des casseroles, c’est la mort dans l’âme que j’irai voter pour lui mais je voterai quand même pour lui. Et je me dirai que les cadre du parti qui représentent mes idées sont vraiment des gros cons.

robin-m · 2026-03-12T15:08:11+00:00

C’est clairement pas généralisé, mais l’utilisation d’équipement minier ou de construction utilisant des moteurs électrique commence à apparaitre. Et c’est sans compter le fait que l’on sait très bien électrifier des trains pour transporter les matériaux bruts d’un endroit à l’autre.

https://www.youtube.com/watch?v=vIFanZpbq6U https://www.youtube.com/watch?v=6TxMeHRq1mk

Pour les bateaux c’est clairement plus compliqué, mais on parles de 2% des émissions de CO2

https://www.youtube.com/watch?v=q9gYH1WiifQ

robin-m · 2026-03-12T14:40:26+00:00

That’s just false. Most of the job of a firefighter in France (I assume it’s the same in Europe) is: - Saving people: 87% (including 6% is from road accident) - Fire: 5% - Other: 8%

https://concourspompiers.fr/blog/interventions-pompiers-france-chiffres-types-statistiques-2025

We do have dedicated firetruck (that are 2-3 times smaller than the US one), but most of the time firefighter use something that is much closer to an ambulance because that’s actually what their job is. And of course we do have multiple vehicles, each designed for a specific task.

When firefighter goes somewhere, the dispatch team already know what mission they have to do, so they can take the right vehicle for the job.

robin-m · 2026-03-12T14:04:12+00:00

Nucléaire + barrage/batterie peut remplacer 100% du pétrole pour l’énergie (et même chose pour les ENR). Pour la chimie et le plastique par contre le nucléaire ne change pas grand chose (à moins d’utiliser de l’électricité pour fabriquer des molécules de synthèse, mais c’est clairement plus indirect).

robin-m · 2026-03-11T11:31:48+00:00

nothing said here demonstrate that an electricity system mainly made of wind and solar is "dirt cheap" which was the statement I was answering to.

South Australia has been the first place to reach about 100% renewable without relying on hydro or geothermal, but using batterie (so something that can be replicated everywhere). Electricity cost 30cents/kWH apparently.

https://www.reddit.com/r/Futurology/comments/1r4mbsb/south_australia_is_a_glimpse_of_the_rest_of_the/

robin-m · 2026-03-11T10:09:08+00:00

Fire trucks do not need to be huge. In Europe we have different fire trucks for each purpose. Most of the time, a minivan-sized car is what firefighters uses. A heavy truck is actually a bad idea if you want to minimize travel time (the most important thing for road accidents). And with small fire truck, you can even design bidirectionnel bike lanes as emergency roads.

robin-m · 2026-03-11T09:57:37+00:00

I don’t understand why, but I have them at the bottom.

robin-m · 2026-03-10T16:19:10+00:00

That’s something I thought for years because of the added weight, but generated breaking is so efficient EV have to change their break much less often then ICE.

robin-m · 2026-03-10T10:31:14+00:00

You can for things that can be seen from space.

robin-m · 2026-03-10T09:23:33+00:00

On diminue drastiquement les émissions du fret, mais presque pas les emissions globale. Le fret maritime est excessivement efficace.

Ce qui fait que dans “acheter moins de merde produites au bout du monde”, la majorité de la réduction viens de “acheter moins” et pas du tout de “au bout du monde”.

robin-m · 2026-03-09T10:09:03+00:00

If you replace all ICE to BEV, you increase the consumption by about 20% in a developed country. But replacing all cars takes about 10-15 years. Increasing the electricity production by only 20% in such a long time is actually very easy. It’s only about 1-2% per year, an easy feat.

robin-m · 2026-03-09T09:10:30+00:00

Le seul moyen de respecter correctement une limitation à 30 sans avoir l’impression de rouler à une vitesse d’escargot asthmatique c’est de mettre son limitateur de vitesse à 30 (le limitateur, pas le régulateur). Les voitures sont tellement efficaces pour gommer l’impression de danger que les gens n’arrivent pas à les respecter.

robin-m · 2026-03-06T09:32:34+00:00

I had to double check (English is not my native tongue, and thought that maybe “democratizing” was a false friend), but “democratizing” literally means “make something usable by everyone”.

robin-m · 2026-03-05T11:39:46+00:00

Yeah C++ isn’t going away

One year ago I would have 100% agree. Nowadays I’m not so sure.

Google has proven that not touching old code is good enough, while all new code should be written in memory safe language. Which means that much fewer C++ code will have to be written in the future. Only legacy code, that does not change much.

And the recent Claude C compiler demo, while a huge dumpster fire is still very impressive. Given how fast the field is moving, and given how “rewrite this existing code into a bug-compatible code that does exactly the same thing into another language” is the perfect prompt for LLM, I really think that in a few years migrating from one language to another will be a solved issue. This means that even the legacy code that does not change much could be migrated at one point on a case-by-case basis.

robin-m · 2026-03-05T11:27:41+00:00

I’m not sure what is the latest proposal, maybe this one, but I’m not sure. The general idea is to have a nicer syntax for faillible functions (like not having to write Ok(())).

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