jakewins

26 ms·

361.
by jakewins 5y ago
It’s largely 80/20 right - 80% of emissions come from a small group of sources. That’s hopeful, in some way, since it opens the door to big wins if we tackle those large sources first. I wrote up a summary of the big picture emissions
362.
by jakewins 5y ago
The houses I’ve seen control the exchange rate with air quality sensors - so, if you are having a party, the ventilation speeds up, and when the house is empty it slows down. That said, in the US the ACH rate is recommended at 0.35 by ASHRA
363.
by jakewins 5y ago
I just moved back to Sweden from the US, and at least for my part of industry there seems to have been a notable shift (covid?), where roles/salaries that previously required moving to SF are available remote in CET hours. You pay hell
364.
by jakewins 5y ago
I wrote https://github.com/jakewins/findbtc to try to recover my 26BTC wallet, which lived on a disk I installed Windows over and gave to my mother in law. I remember looking up how much it was worth, confirmed it rema
365.
by jakewins 5y ago
https://en.m.wikipedia.org/wiki/Control_moment_gyroscope Perhaps? The ISS uses these.
366.
by jakewins 5y ago
That is wet bulb globe temperature, not wet bulb temp. WBGT is calculated by adding together weighted WBT, globe temp and dry bulb temp. See: https://www.instrumentchoice.com.au/news/wet-bulb-temperatur...
367.
by jakewins 5y ago
No, this is just queue theory. People boarding airplanes in the priority lane don’t get to board faster because there is a redundant wait applied for everyone that can be removed for prio boarders. You just let prio borders bypass the queue
368.
by jakewins 5y ago
I mean, I suppose the purpose of these batteries are about seasonal rather than hourly differences.. but assuming you want to use them for something like coupling to a PV array and doing hourly trading: The alternative isn't selling at
369.
by jakewins 5y ago
80% round trip efficiency is killer for what they are selling here though. That 20% loss is directly cutting into your trading margin. imagine you buy 1MWh at 100USD; you immediately lose 20% of it, so you now need prices at $125 just to
370.
The Senate is a stack machine, the filibuster a halting problem(tech.davis-hansson.com)
3 points by jakewins 5y ago|0 comments
371.
by jakewins 5y ago
Came here to say exactly this. Balloon framing was abandoned due to fires. This made me hesitant about the rest of the text.
372.
by jakewins 6y ago
Let me try to invert your point in the other direction. Imagine that, rather than having walkable cities, every Norwegian commuted alone by car for one hour every day. Imagine - and having lived in Scandinavia for many years, I know this is
373.
by jakewins 6y ago
It is, arguably, deployed at scale, if you squint and call it delta compression. The reason its not more widely used is there are drawbacks. Updates can be more expensive, for instance: what was a single-key change perhaps blew up a 1000 ke
374.
by jakewins 6y ago
> A naive observer, reading the reports of falling prices for photovoltaic cells and wind turbines, might conclude that the rising shares of solar and wind power will bring a new era of falling electricity prices. Just the opposite has
375.
by jakewins 6y ago
Agree, lots of unknowns ahead. My response was simply to the comment above asking for citations whether it is even technically possible to run the grid at such high penetration. Someone made the point that it's a rather daunting mate
376.
by jakewins 6y ago
Hour-by-hour multi-year simulations show the US grid can be ran with 90% clean power with current technology. "Clean" being the current nuke and hydro fleet plus a massive expansion of wind, solar and storage. The latest such simu
377.
by jakewins 6y ago
This is true - but pumped hydro has limitations on where it can be built, meaning it becomes constrained on transmission. So, in theory it is super awesome, but in practice you need to include the cost of many years of litigation to navigat
378.
by jakewins 6y ago
Agree. This is what we do. Try to opt for species that have low impact (trout and farmed arctic char, for instance) and otherwise treat fish the way we do beef: As a luxury saved for special occasions.
379.
by jakewins 6y ago
There is a frustrating catch-22 with "sustainable" fishing methods. Methods that are more careful about bycatch in generally lead to less fish per gallon of diesel, which is the primary driver of CO2 emissions for fisheries. MSC c
380.
by jakewins 6y ago
We use it a bit, mainly as a side-effect of infrastructure. For instance, our CI runs each job in a container; the spec for the container is checked into source control. That way its easy to add new software in CI, just change the Dockerfil
381.
by jakewins 6y ago
> Why wouldn't they take it? Because the pool of Java devs is only marginally wider than the pool of C++ devs? 5.4M C++ devs vs 7.1M Java devs is not a massive difference in pools: https://www.daxx.com/blog/deve
382.
by jakewins 6y ago
At this point I think we are arguing somewhat subjective things. I used to be a hard-core zealot for the JVM as the performance platform of the future - and did talks arguing just as you are here why HotSpot outperforms $LANGUAGE in real ap
383.
by jakewins 6y ago
This GC you speak of that hides allocations as an implementation detail sounds excellent! Every GC I've worked with - and my day job is orchstrating several thousand JVMs - simply moves the time when you need to think of allocations so
384.
by jakewins 6y ago
For years of my life, all I thought about was stuff like this. If you've ever ran latency sensitive systems on the JVM.. man is it ever a pain. Who was it that turned GC off entirely, minimized allocation and just restarted their VMs w
385.
All-Pairs Testing(en.wikipedia.org)
2 points by jakewins 6y ago|0 comments
386.
by jakewins 7y ago
Does anyone know if they account for their user base presumably being mismatched with actual demographics? ie. I assume their users are going to correlate with tech-savvy people, in turn correlating with people able to work from home, givin
387.
by jakewins 7y ago
So what is the probability that a lab that works with HIV normally, now working under extreme pressure, contaminated or mixed up a sample? And what is the probability that this is not just a third type of major coronavirus, but in fact a se
388.
by jakewins 7y ago
The problem with the Stanford Prison Experiment was that the guards were secretly coached by the researchers to get the effect their hypothesis predicted, not that "the effect was too strong": https://www.vox.com/2
389.
by jakewins 7y ago
Author here: Exactly this. We keep a `bin/` in the root dir with scripts/programs for more involved steps. Make gives us the dependency graph, incremental rebuilds and parallelization.
390.
by jakewins 7y ago
I'm not sure how the terminals are organized in terms of how locked down they are, but it's specifically occurring on the terminals they use for accessing patient data; they all freeze up simultaneously. It stops the entire hospit

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