scythe

6 ms·

31.
by scythe 2mo ago
>This is one of the most polarizing choices one can make as a biomedical research scientist. The alternative to the hockey stick is to use glass beads that you autoclave then sprinkle on the plate and roll around. People are very passion
32.
by scythe 3mo ago
>That sounds a lot like the Haber Bosch process to me. Well, kinda. But Haber-Bosch uses an iron catalyst. This is cheap, but it requires very high temperatures and pressures. There has been some recent work on ruthenium catalysts (parti
33.
by scythe 3mo ago
First, hack into a factory and invent machines that can do lab-bench chemistry. Then...
34.
by scythe 3mo ago
Iodine? Molybdenum? Cobalt?
35.
by scythe 3mo ago
Is greigite a metal? It is definitely a more interesting mineral, I'll give you that.
36.
by scythe 3mo ago
Carbon does not beat metal structurally. Some organic polymers are competitive in tensile strength. In flexural strength and fracture toughness, alloys continue to rule. And when carbon materials are competitive in strength and toughness, t
37.
by scythe 3mo ago
Biology ignored some of the most abundant elements because they can't be worked with under the constrained temperature and pressure conditions where biological systems operate. Biology barely uses any silicon, even though it is the s
38.
by scythe 3mo ago
On the contrary, my first thought upon reading the title was "I hope it's not just Japan again". No disrespect to Japan, but articles about Japanese tidiness are a dime a dozen.
39.
by scythe 3mo ago
It's hard to blame OpenBSD's management when there are three other BSDs. You didn't have to work with Theo de Raadt to work on BSD. But while the lawsuit may have been the catalyst, the game was really over when GNOME took of
40.
by scythe 3mo ago
The author has a point about dextromethorphan and phenylephrine. However, he does guaifenisin dirty: >You’ll also find lots of cough medication with guaifenesin, which has similarly thin scientific backing. He links ( https://
41.
by scythe 3mo ago
There's even a song about it: https://youtube.com/watch?v=urglg3WimHA
42.
by scythe 3mo ago
If you want to do a megaproject, just cover a significant amount of the lake in reflective material. This will reduce evaporation, increasing the lake level. It would be very bad for the ecosystem, though, since it depends on sunlight.
43.
by scythe 3mo ago
I think it's half this and half that Volvo is still a recognizable brand that Americans grew up with. My mother had a Volvo when I was seven. People would react if Volvo was banned. Polestar? What's that? But Geely can throw down
44.
by scythe 4mo ago
https://www.reddit.com/r/comics/comments/cmumj/everything_wa...
45.
by scythe 4mo ago
The scale bar on the far right "photo" (micrograph?) doesn't make sense. It is only slightly less than half the scale bar on the middle photo (10 nm), but the image is clearly scaled up by much more than 2x. Individual silico
46.
by scythe 4mo ago
>hard to get a real academic position Tech companies like to rob the cradle, and academic departments hire far more grad students and postdocs than professors. Of course, this is also part of the problem with academic careers.
47.
by scythe 4mo ago
None of these strategies seem to address the other technological issue hiding beneath the surface, which is that EVs are fundamentally simpler (electric vs combustion motor) and hence should be cheaper than ICE cars when manufacturing pipel
48.
by scythe 4mo ago
This is an interesting theory. But do Mexican soccer players do much better at home games?
49.
by scythe 4mo ago
>Think of the body like a car, suggests Clemence Blouet, a neuroendocrinologist at the University of Cambridge in the UK. You can drive fast, using lots of fuel and putting wear and tear on the auto. Or you can stick to a gentle 15 miles
50.
by scythe 4mo ago
I guess I don't understand why this study is suddenly getting attention when these kinds of trials have been going on for years. This one doesn't seem to have a particularly strong methodology or particularly unusual findings. It&
51.
by scythe 4mo ago
>I always thought that if separating water and salt were easy, our bodies would have evolved to do it so that we'd be able to drink sea water and be fine. Unfortunately for terrestrial animals, it's just not that simple. Seawat
52.
by scythe 4mo ago
>Calcining Mg(OH)₂ -which is what you find in seawater I'm not sure what to say, because it looks like you are copy-pasting from Wikipedia or something like that. Anyway, Mg(OH)2 is not found in seawater. Mg2+ is found as a dissocia
53.
by scythe 4mo ago
They are talking about lithium recovery, but there is a less exotic byproduct I'm interested in. One tonne (≈ 1 m^3) of seawater contains about 1.3 kilograms of magnesium, equivalent to about 4 kg of magnesite ore. Typical desal prices
54.
by scythe 4mo ago
If you want to be really clever about it, maybe the ship is powered by the brine. https://en.wikipedia.org/wiki/Osmotic_power
55.
by scythe 4mo ago
Electricity costs make the headlines, but I have also heard that the datacenters apparently make a loud perpetual buzzing noise that is audible from a large distance. That sounds like reason enough to oppose one being built near me.
56.
by scythe 4mo ago
Solar desalination looks pretty good in terms of efficiency. The problem is that the solar energy must now be collected at the shoreline. This means that a lot of coastal real estate gets turned into a desalination plant. Alternatively, you
57.
by scythe 5mo ago
Two major contributing factors I can think of: - land meats were all but banned in Japan for centuries prior to Perry's ultimatum, encouraging the development of alternatives in flavor and nutrition like natto and katsuobushi - geograp
58.
by scythe 5mo ago
Sometimes I think people downvote me because they're frustrated that I didn't engage further. After twenty years of Internet discussions, I'm a little burned out and I tend to fire and forget.
59.
by scythe 5mo ago
Situs inversus ("dextrocardia") is a rare disorder. What I postulated is a (very) small selective advantage leading to a neurological mechanism evolving over generations, not a direct line from the heart to handedness during devel
60.
by scythe 5mo ago
Here's my five minute lunchtime hypothesis: it's because the heart is on the left. As human behavior demanded increasing precision from the hands, being a little farther from the heartbeat was a slight advantage.

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