Recent submissions

Comment · 4 days ago
Already 20 years ago, medical corporations had facilities to scan millions of molecules as potential drugs candidates. This did use knowledge found manually over the years and vast computing resources. This already found more good candidates than what could be clinically tested. To find drug candidates is not remotely the bottleneck in drug development, so unless the candidates are vastly higher quality, nothing is gained.
Comment · 5 months ago
Newer codecs has generally introduced more ways a video can be encoded, so that the encoder need to work much harder to encode a video, so that it actually achieve the gains that the newer codec allows much more processing will be required. Decoding on the other hand, will mostly stay the same or increase only slightly. It's not likely do decrease though, so if you struggle playing av1 today, you will also struggle with av2.

For encoding, you can always write a simple encoder that use only the features that were present in mpeg2, and it will be about as efficient as mpeg2 as well. Newer codecs has more features that allows more efficient encoding, at the cost of more processing.

Comment · 7 months ago
In many ways the ENIAC was more like an FPGA than a computer. It was programmed with patch cables connecting the different computational units as well as switches, and had no CPU as such. The cables had to be physically rerouted when changing to a new program, which took weeks. My understanding is that it was eventually programmed to emulate a von Neuman machine around 1948/49. As far as I understand, this was done mainly by Jean Bartik based on Von Neumans ideas.

If this is correct, it was not a von Neuman machine originally, but it eventually became one, and at approximately the same time as the Manchester Baby.

Comment · 7 months ago
You would need a frame rate higher than the Nyquist frequency of highest harmonic you want to capture. Since the fundamental frequency of the lowest pitch sting is 83.4 Hz, and you want to capture up to the fifth harmonic (at 83.4 Hz * 5 = 417 Hz) and double that to get the Nyquist frequence, so at least 834 fps. So you would need a high speed camera with 1000 fps to capture the real vibrations.
Comment · 9 months ago
Without having smelled croton oil myself, canned brisling (which is what it is, even if it was sold as sardines) has a quite strong smell and taste. I can easily imagine that it could mask the pungent smell of the croton oil.
Comment · 1 year ago
Only if you actually has a system complex enough to require it. A lot of systems that use kubernetes are not complex enough to require it, but use it anyway. In that case kubernetes does indeed add unnecessary complexity.
Comment · 1 year ago
> 1 nautical mile equals to one minute in the 90 degrees hemisphere arc

The nautical mile is not an SI unit, so it is not defined by a single organization, Your definition used to be the common definition, but it seems like the relevant organizations has updated the definition to be exactly 1852 m. If the original definition of the meter applies, then it would have been 1851.85 or 15 cm shorter, but with newer measurement of the earth, it would have been more like 1855 m.

Comment · 1 year ago
Some of the heavy metals are likely from the fire retardant, and some are likely from the fire. Look at zinc vs lead for example. There is little lead in the unused sample vs the environmental samples, thus most of the lead is likely not from the fire retardant. I would guess the most likely source is lead from roofs of burning houses.

Zinc on the other hand is present in all samples in about the same amount, including the unused one. That means that the zinc is likely from the fire retardant rather than the environment. Other metals are present in slightly higher amounts in the environmental samples, and often only in some of the samples. In that case both the fire retardant and the fires/environment are likely to contribute.

To me it seems like copper, lead and manganese are mostly from the fires, while zinc and chromium seems to be from the fire retardant. Then there is the sample from the Franklin fire, that seems to be higher in everything.

Comment · 1 year ago
I don't have a place to upload a screenshot just now, but it's Firefox 135 on Fedora linux 41.

What happens is that the squares doesn't stay square like in your screenshot, but varies in size depending on which pieces are in that row. The height of a row varies, but the width of the columns always stays the same.

Edit: It is often not the lowest row that get hidden, often e.g row 4 and 5 get so low that you can't put any pieces there.

Comment · 1 year ago
This does not work in Firefox. The squares get stretched, while the area you can access stays square, so that the lower row is hidden. This makes it impossible to play.
Comment · 2 years ago
Steel production causes around 8% of the worlds CO2 emissions, so if this is right, this project alone is causing emissions around two thirds of all of the worlds aviation.
Comment · 2 years ago
Mike Stewart, that is the one with the most in depth knowledge about the AGC on the Curious Marc channel, is also one of the main contributors to this repo, so I guess so.
Comment · 2 years ago
> You need carbon (coal) to make steel from iron.

Carbon in form of coal is currently used for three purposes in steel production:

1) Heat up the ore to high temperatures

2) Reduce iron oxide to iron.

3) Steel is an alloy of iron and carbon.

Only for the third of these carbon is essential, and that requires some tens of kilos carbon per ton of steel as opposed to more than 2 tons carbon per ton of steel. The two first ones can be replaced by electrical heating and hydrogen respectively. There are currently being built some factories in northern Sweden for doing this, using hydrogen produced by hydropower. Without sufficient tax on carbon or customers willing to pay the extra for "green steel", it is not cost competitive for now.

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