Full_Clark
Joined 4 years ago
Joined 4 years ago
Is the Australian shopper protected simply by a stronger culture of adherence amongst retailers or is it because regulators inspect more often and take stronger action against failures?
I wonder what the fall-off curve looks like for siloxane transfer out of the bakeware. If e.g. 70% of it comes out in the first 15 baking cycles, there could be a reasonable path to massively reducing exposure from this source. Just cook a few sacrificial recipes on new bakeware and throw them out uneaten.
If they've largely grown up in the social media era and click away from reels/shorts that don't have animated captions, you'd design a very different deck.
It's great for gaming and movies as you say, and also for adopting a better posture when using a laptop in a cramped space like a train or airline seat. But even with the individual focus wheels for each eye, it doesn't feel sharp enough at 1080p to replace a 24" or 27" screen on a standard desk layout.
If I had the option of one 24" 1080p monitor on my desk or XR glasses to use for 8-10 hours of thoughtful work, I would choose the monitor.
Regarding eye strain or fatigue, I don't notice any. The fact that the projected display appears to be 3-4m away probably helps a lot with that.
I haven't looked into the topic much at all but that does resonate. It reminds of the way solar farms are becoming less fine-tuned (e.g., no sun-tracking tilt motors anymore) as panel costs drops through the floor.
Atmospheric CO2 is already too high to avert terrible long-term impacts of global climate change. Unless we manage to make massive cost reductions for atmospheric CO2 sequestration, weaning entirely off of fossil fuels will not be sufficient to avoid climate change impacts if we still add long-lived GHG molecules to the atmosphere. (SF6 has an atmospheric lifetime on the order of 1000s of years.)
Think of it like the tide going out in a rocky bay. As the water level recedes, rock pillars that used to be too deep underwater to worry about now are close enough to the surface to cause you trouble. On the other side of the same coin, putting in the work to clear them helps give you as big a space to operate in as you had before.
This figure is for the electricity sector only, not overall global emissions. Still, considering the sheer volume of CO2 puffing up from power stations, it's impressive that the normal operation of SF6 breakers accounts for an integer percentage of their GHG impact.
----
Global emissions were 53 Gt CO2 equivalent in 2023 [0]. 38% of CO2 emissions are attributed to the electricity sector in 2023. [1] This figure seems to be strictly CO2, not including other GHG, and I can't quickly find a sector-by-sector breakdown for that year. Per IPCC reports in 2022, electricity production and heating accounted for 34% of global GHG in 2019 [2], so for back-of-the-envelope math, it's reasonable.
Per the article, the GHG impact of SF6 is 25k CO2, so 8.2k tons SF6 emitted annually is 205 million tons CO2e. This is 0.39% of 53 Gt CO2e (the global value), or nearly exactly 1% of the electricity sector's 38% share.
[0] https://www.statista.com/statistics/1285502/annual-global-gr... [1] https://www.statista.com/statistics/1129656/global-share-of-... [2] https://www.epa.gov/ghgemissions/global-greenhouse-gas-overv...
edit: replaced typos of C02 with correct CO2
If you skip forward to 16m 33s you'll be treated to a lively streak of invective from the passenger of a car whose driver has just confirmed that feeding EICAR to a parking system prevents it from letting any vehicle past the barrier.
To build enough windcatchers to move the needle on tunnel temps, you'd need to buy many plots in one of the most expensive cities in the world.
The "Loose Ends" section of Teplow's write-up mentions that he didn't bring along a radar detector. Then or now, would a radar detector significantly increase a solo sailor's situational awareness?
I do wonder if there'll ever be a desire to build nuclear plants for baseload firming, though. What amount of excess capacity has to be built in to an all-renewables + storage grid to give the the same reliability as the current grid? Could nuclear power ever be cheap enough to compete on ROI with the marginal providers, the last ~5 gigawatts of wind or solar needed?
I think this is why The Wire captivated me. I'd been raised on a steady diet of hero's journey stories and then suddenly I ran into David Simon's buzzsaw of contravening those expectations.
In those years I'd just I started my working life and unfortunately the parallels were uncannily accurate.