Viewing profile — schiffern

Take your pick, neither sounds great: 1 angry person with $800 in CRISPR and AI 1 angry person with $800 in pangolin cages and time 1 company with a billion chickens and a drive to…

>The U.S. did one test shot I'm seeing 11 shots total,[0] though Wikipedia lists even more. "Nine were for the purpose of developing an ultra-low fission thermonuclear explosive fo…

It's still a big waste of compute power . Most of the lifecycle emissions come from manufacturing, not electricity.

>It seems quaint now, It goes up and down. Some days I wish it seemed more quaint.

For cars not planes, but apparently you're an LLM so....

Not just cost, but that limited airport "slot" represents (a slice of the) significant carbon emissions from building/operating the airport. So even if you only care about carbon e…

>In my dreams, my ultra-advanced car would open the windows when braking to get two benefits in one. Or use those triangular vent windows / wing windows, as seen on old trucks and …

That's the regular A350-1000. This is the A350-1000ULR, which has an additional 20,600 L rear tank. https://www.airbus.com/en/newsroom/stories/2026-07-extending...

I expect many researchers are using fresh lab-made microplastics, which are indeed mostly harmless. However part of the problem is that real-world plastics are chemical sponges tha…

Correct. This is why SpaceX rejected using black coatings alone for Starlink. Mirrored surfaces that they tested instead were darker than VANTA black.[0] On some surfaces they use …

CO2 on the ISS routinely gets up to 5 mmHg = 6,500 ppm, because the CO2 scrubber is more effective at that concentration. According to NASA it's "not practical from a hardware stan…

Skeptical? I was too. Check out the interview with Dr Bernie Cohen, who did a lot of the early epidemiological work. The interviewer is rather woo, but the professor is as hard-nos…

Yes. It was the urine processor that had problems with excess calcium, not the air scrubber. https://ttu-ir.tdl.org/server/api/core/bitstreams/f8ca865b-1...

Mostly your post is just about the side-issue of whether (in 20/20 hindsight) the censorship in the USA was justified. However this ignores the fundamental double-standard toward t…

>In most of the world such photos would be deemed of public interest and shared OTOH, anyone remember "loose lips sink ships?" Beyond the famous poster, it was backed up by robust …

Yes I just mean the more expensive tea on the shelf. On cheaper SKUs they're trying to cut cost so they use normal tea bags. The plastic sachets were a trend for a couple years but…

The kicker? It's only on high-end tea, because it's more expensive than regular tea bags.

Agreed. MERV 11-14 can be far more effective than HEPA. If you need to filter "one and done" (like pumping air into a hospital operating room), that's where you need HEPA. Most hom…

That helps for pollution that comes from outside (traffic, pollen, wood smoke), but most of the microplastics are generated by moving/wearing synthetic textiles inside the home. Po…

A false sense of security can be worse than nothing, because it prevents you from seeking out actually effective options. I too would like such a "shy" air purifier, but manufactur…

>microwaving in plastic bowls More generally, never let hot food touch plastics. The high temperature is what damages the plastic surface, not anything special about microwaves. Fo…

https://archive.ph/UcCq6 Saying HEPA filters remove "99%" of microplastic is pretty misleading. Most of the mass in airborne particles is in the larger sizes of visible dust. Howev…

Transport doesn't "go to zero." Terrestrial transportation is already fully reusable, so it doesn't have the same cost headroom for improvement vs orbital launch. Thanks, I really …

>Here's an AI-generated fake video of large transformer manufacturing. It's about half wrong.[2] But right enough to be worth watching. Which half? You probably got a lot from this…