wcoenen

15 ms·

151.
by wcoenen 3y ago
> The survival of the individual is exactly what is being selected for. The influence of an individual gene is not distinguishable from those that are packaged with it. Here is a counterexample where a gene or set of genes jumped ship
152.
by wcoenen 3y ago
The survival of the individual is indeed not what natural selection is selecting for. Otherwise phenomena like eusocial insects with sterile workers would not make sense. What is actually selected for, is genes that somehow promote more cop
153.
by wcoenen 3y ago
Basically you need a big resistor with sufficient cooling. Dissipating megawatts of power is done routinely this way, during load testing of big generators. But I imagine it becomes more of an engineering problem at grid scale, where you mi
154.
by wcoenen 3y ago
> The ozone hole was huge, then it turns out it’s patched. You make it sound like the ozon layer problem was not a big deal, and went away on its own. It was actually fixed with the Montreal protocol[1]. So this is an example of a prob
155.
by wcoenen 3y ago
A balloon does that because it has very low mass and moment of inertia, compared to the thrust provided by the escaping air. An asteroid is not like that, even when heating one side with a nuclear bomb. The goal is to create a tiny change i
156.
by wcoenen 3y ago
£900 seems cheap to me. I'm in Belgium and I installed a charging point at my house earlier this year. The cheapest quote I got was 1300 euros. I ended up installing one myself, but spent almost as much anyway. 800 euro for an Alfen Ev
157.
by wcoenen 3y ago
> Until electric isn’t dependent on gas, I don’t see the benefit. There is a benefit as soon as the CO2 emissions per kilometer are lower. Let's say the carbon intensity of electricity production here in Belgium is 100 gram/k
158.
by wcoenen 3y ago
At first I thought your math was wrong, because that doesn't match the numbers in the article. But then I checked the day-ahead prices at epexspot[1], and it's indeed showing -500 euro/MWh in the afternoon, from 14h00 to midn
159.
by wcoenen 3y ago
I had trouble finding the actual paper, but I think this is a preprint: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10602106/
160.
by wcoenen 3y ago
Unlike other car manufacturers who go through dealerships, Tesla has an up-to-date view on orders and deliveries (from/to actual customers) versus production. They check this weekly and adjust accordingly[1]. I don't see why they
161.
by wcoenen 3y ago
Ice cores are one of the data sources used in temperature reconstruction. From the linked page: By measuring the ratios of different water isotopes in polar ice cores, we can determine how temperature in Antarctica and Greenland has change
162.
by wcoenen 3y ago
While the EU regulation allows for that, that's not what Meta is offering. Meta is offering paid, ad-free access to facebook. https://about.fb.com/news/2023/10/facebook-and-instagram-to-...
163.
by wcoenen 3y ago
> Trees just piled up instead of rotting. That resulted in oil deposits. That resulted in coal deposits of the Carboniferous. Not oil.
164.
by wcoenen 3y ago
I'm confused about your comment on France. This doesn't seem to be a problem when driving from Brussels to Marseille. The toll roads have good facilities, including rapid chargers. Perhaps it's different in the South West?
165.
by wcoenen 3y ago
> India and Pakistan didn’t nuke each other last time(s)… even though they had nuclear weapons. I was referring to the Indo-Pakistani war of 1947-1948 where the conflict focused on water rights. Nuclear weapons did not enter the pictur
166.
by wcoenen 3y ago
Climate change and nuclear war are not orthogonal risks. Climate change leads to conflict. For example, the Syria drought of 2006-2010. More climate change leads to larger conflicts, and large conflicts can lead to nuclear exchanges. Think
167.
by wcoenen 3y ago
I suspect this article will not age well. Drastically cheaper EVs have just appeared on the horizon. That may very well accelerate adoption. For example, I have my eye on the recently announced Citroën ë-C3 which will apparently be sold for
168.
by wcoenen 3y ago
I noticed that all the "circles" for alternative metrics are aligned with the coordinate system. For example, the one for the Manhattan distance has its corners on the coordinate axes. What if we added an additional condition that
169.
by wcoenen 3y ago
They are probably referring to the know issue of tremors caused by natural gas extraction. For example: https://www.nytimes.com/2019/10/24/business/energy-environme...
170.
by wcoenen 3y ago
Preserving digital data requires constant maintenance, because none of the media we use will last forever. Any maintenance gap of a few decades means the data is lost. Such gaps are inevitable over longer timescales like thousands of years.
171.
by wcoenen 3y ago
The Long Now foundation is trying to fix that, e.g. with their Rosetta project. They actually managed to get a copy onto comet "67P/Churyumov–Gerasimenko"! https://en.wikipedia.org/wiki/Rosetta_Project
172.
by wcoenen 3y ago
Missing context in the blog post: in the original court document, the bank mentions that it is already upgrading to a new system that doesn't have this issue. It just isn't done yet. So the bank isn't really refusing to fix t
173.
by wcoenen 3y ago
Tesla explored this and found it to be unpractical. A battery swapping station can cost millions to build, compare that to something on the order of $50K per high power rapid charger. https://www.powersystemsdesign.com/artic
174.
by wcoenen 3y ago
> Are there good historical examples of this happening, where foundational knowledge is completely lost? The Antikythera mechanism comes to mind. It dates to the 2nd century BC. Nothing like it was constructed afterwards, until the 14t
175.
by wcoenen 3y ago
Cumulative emissions by country: https://ourworldindata.org/grapher/cumulative-co-emissions
176.
by wcoenen 3y ago
Submitting such a link to HN, that can lead to automatic suspension of access for anyone who follows it, is not acceptable. A screenshot would have been better.
177.
by wcoenen 3y ago
> which is really the bigger factor in having a warmer climate: your angle to the sun (your latitude) or the duration of the day? This graph from wikipedia might be a good start. It is showing the trajectory of the sun on different day
178.
by wcoenen 3y ago
The weight difference of comparable ICE cars and EVs is sometimes surprisingly small when you look at the variant of the EV model with the smaller battery. For example, the BMW X3 is 1670 kg. The Tesla Model Y (SR RWD) is 1778 kg.
179.
by wcoenen 3y ago
> net framework 2.7 is guaranteed to be installed by default these days There is no "net framework 2.7": https://learn.microsoft.com/en-us/dotnet/framework/migration...
180.
by wcoenen 3y ago
The earth is indeed not in thermal equilibrium due to the speed of the recent CO2 increase, so warming would continue if atmospheric CO2 concentration would be held constant . However, atmospheric CO2 concentration would not stay constant

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