fsh

8 ms·

91.
by fsh 9mo ago
Fiber splicers are marvels of technology. They align the fiber cores with sub-micrometer accuracy and produce just the right amount of heat and pressure to melt the ends together. They are also usually very rugged, fully automated, and surp
92.
by fsh 10mo ago
I typically install and enable tlp [1], but that's it. Some distros/DEs might have it out of the box, but on Arch I had to do it myself. [1] https://wiki.archlinux.org/title/TLP
93.
by fsh 10mo ago
This doesn't match my experience. My previous three laptops (two AMD Lenovo Thinkpads, one Intel Sony VAIO) had essentially the same battery life running Linux as running Windows.
94.
by fsh 10mo ago
Yes, this is called Bluetooth multipoint and has been common on non-Apple devices (for example Bose) for a few years now. Requires no logins and is vendor-agnostic.
95.
by fsh 10mo ago
But Vivado doesn't get the job done. The intended workflow is to click around in the GUI until it (hopefully) synthesizes something. The state is then recorded in some proprietary project file that cannot be version controlled or share
96.
by fsh 10mo ago
That's not true. Transistors were commercialized a few years after their invention, and already the first generation vastly outperformed vacuum tubes in size, weight, and power. Optical computing has been done for a few decades now wit
97.
by fsh 10mo ago
Apple will proudly announce that they've invented the replaceable battery.
98.
by fsh 10mo ago
Indeed, most societies ended up inventing a mandatory trusted third party escrow called a "legal system" as part of a "state". They usually issue hard-to-copy tokens, solving the double spending problem.
99.
by fsh 10mo ago
There was no such thing in the UK. ChatGPT is trained to produce text that fulfills the user's expectations. If you put a prejudiced prompt in, expect a corresponding result.
100.
by fsh 10mo ago
It's an ingenious solution to achieve a "trustless" currency that prevents double-spending without a central authority. Unfortunately, this solves the wrong problem. Spending money usually involves getting a good or service i
101.
by fsh 10mo ago
GNU Taler is a working implementation of "digital cash" in the spirit of Ecash. Since it doesn't come with its own currency, it cannot be used for gambling. It is quite telling that it has seen essentially zero adoption in th
102.
by fsh 10mo ago
No, it wasn't. Scientists at CERN used DVI and later PDF like everyone else. HTML has no provisions for typesetting equations and is therefore not suitable for physics papers (without much newer hacks such as MathML).
103.
by fsh 10mo ago
I quite like Sage. Python is a much better language than Wolfram (yes, he named it after himself...). In Wolfram, there is no real scoping (even different notebooks share all variables, Module[] is incredibly clumsy), no real control flow (
104.
by fsh 10mo ago
Maybe with the power of a supercomputer, Mathematica can finally launch in less than 30s. I have no idea how a software that still does essentially the same thing as it did in 1988 can be that sluggish.
105.
by fsh 10mo ago
My biggest worry with Immich is how to future-proof the albums. With photos sorted into folders, it should be no problem to access them in a couple of decades. With Immich, I have to rely on the software still working or finding some kind o
106.
by fsh 10mo ago
This is like comparing a Casio to a Rolex. Both do roughly the same thing, but the markets are completely different. Nobody buys a high-end luxury car like a Taycan because it makes financial sense. The manufacturers know this and price eve
107.
by fsh 10mo ago
US car regulations are weirdly inconsistent. Sometimes they are incredibly strict. You can't have a convex left side mirror and the right one has to carry a stupid warning label. Importing non-antique foreign cars is practically imposs
108.
by fsh 10mo ago
That's the point. Forced air cooling is way more efficient than radiative cooling.
109.
by fsh 10mo ago
We have been relying on natural magnetic fields for over a billion years, so we can probably continue doing so for a while.
110.
by fsh 10mo ago
Your hypothetical liquid metal heat pump would have a Carnot efficiency of only 25%.
111.
by fsh 10mo ago
A sports car radiator has about that size and dumps 1 MW without boiling the coolant.
112.
by fsh 10mo ago
Yes, CAD software is perfectly usable via RDP.
113.
by fsh 10mo ago
I didn't even feel particularly safe as a pedestrian in Tokyo or Osaka. Despite the good public transport, Japanese cities have cars absolutely everywhere, even in tiny streets that should really be pedestrian zones. Paris is much bett
114.
by fsh 10mo ago
Except these seamless modes have been broken for many years. Also using a containerized Windows means one doesn't have to fiddle with the insane Windows 11 setup process and TPM issues.
115.
by fsh 10mo ago
It's pretty good. They use XfreeRDP to remote into the container and display individual windows. This somehow performs a lot better than the GPU emulations of VirtualBox or VMware. I guess Microsoft put some effort into optimizing RDP
116.
by fsh 10mo ago
Even 21 was only possible by cheating (optimizing away the difficult part using prior knowledge of the results) [1]. Craig Gidney has a blog post that shows the actual quantum circuit for factoring 21 which is far beyond the capabilities of
117.
by fsh 10mo ago
The processes involved in solar fusion have been well understood since the 1930s [1,2]. Hans Bethe won a Nobel Prize for this in 1967. The problem is that one cannot produce stellar densities and pressures in any kind of apparatus. [1] htt
118.
by fsh 10mo ago
All experiments at the AD are strongly limited by the low rates. If there was a straightforward way to improve this by many orders of magnitude, they would have done it a long time ago.
119.
by fsh 10mo ago
The antiproton decelerator at CERN has been operational for 25 years, and they have plenty of smart engineers there. Unlike in the 1940s, the underlying physics has been well understood for many decades. I would argue that nuclear fission i
120.
by fsh 10mo ago
Anything but airplanes. Current airliners have a fuel fraction between 24 and 47%, so any decrease in energy density massively compromises performance. The energy density of jet fuel is two orders of magnitude higher than modern batteries,

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