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andygates

699 karma · joined July 12, 2013

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andygates··on Is my plane a 737 MAX?
I'm really not sure you can amortize deaths like that to individuals. Folks are dead or they're not.
andygates··on Antarctic Ice Shelf Demise
Deep geological time isn't very relevant to human civilisations. The Fall Of Civilisations podcast has great long deep dives into what does threaten them, and the score is about 50:50 between climate change and Outside Context Problems.
andygates··on U.S. Air Force Creates Completely New Drone for Ukraine, in 2 Months
"siri, what is a proxy war?"
andygates··on Nuclear power is the best climate-change solution
Nothing runs at 99.99; 85% is a realistic nuclear reactor uptime. And remember to have multiple gensets so you can take them offline for maintenance.
andygates··on Nuclear power is the best climate-change solution
Variability is smoothed with diverse overbuild and robust inteconnects (sorry, Texas).

Batteries are needed for peaker plants, like gas is used now. But they don't need to be everywhere.

andygates··on Nuclear power is the best climate-change solution
Nuclear power stations have very slow demand response. That used to be done by gas peakers and hydro; in a decarbonised world that changes to battery peakers and hydro.
andygates··on Nuclear power is the best climate-change solution
Interesting word choice "consumable" versus "parts require maintenance".

One suggests a lie, the other is just SOP in any plant with moving parts. Are you sure you're an engineer?

andygates··on Nuclear power is the best climate-change solution
The carbon industry wants delay on decarbonisation. New nuclear projects are poster children for delay, because the industry has been mostly incompetent at shipping and lacks urgency.
andygates··on Nuclear power is the best climate-change solution
"Serious designs" are nice but no pathfinder demo plants yet. And all that stretches the timescales.
andygates··on NASA's helicopter survives first freezing night on Mars
It's a technology demonstrator, and one of the technologies it is demonstrating is "survive the night". Does the heating, panel and charge management all work as expected? Repeat! Then fly once the daily charge-state is understood.
andygates··on Is that ship still stuck?
This looks like a job for demilitarised Jaegers.
andygates··on Is that ship still stuck?
That's the most obvious part of the grounding, but the ship is properly wedged at both ends. It's not the whole problem.
andygates··on SpaceX SN9 Explodes on Landing
That’s just a bit of wraparound suction flame, no big deal.
andygates··on SpaceX SN9 Explodes on Landing
The landing propellant comes from very small header tanks (to reduce slosh), and those tank sizes constrain how long they can run a landing burn. Future iterations may end up with a bigger header: these are still early prototypes.
andygates··on Oxford-AstraZeneca coronavirus vaccine approved for use in UK
The other key take-home is that nobody got a serious case so that's 100% effective at preventing the collapse of the healthcare systems of the world.

It's really good news all round.

andygates··on Oxford-AstraZeneca coronavirus vaccine approved for use in UK
Yes. The wacky back-seat epidemiology is new with the many vaccine candidates. Most people won't get an actual choice, they'll be offered what their healthcare provider offers and they can take it or leave it.
andygates··on UK centralised contact-tracing app probably won't work well, may be illegal
Kudos and good feelings, and probably operating costs going forward. Palantir's shady reputation could benefit from some good feelings.
andygates··on Detroit to restore water to allow people to wash hands to avoid coronavirus
Bzzt! It pegs critical care facilities if not contained and then a lot of people die.
andygates··on App Used to Tabulate Votes Is Said to Have Been Inadequately Tested
The UK has very simple ballots, though: one bit of paper, one pile to count. America has a whole raft of issues voted at the same time, which complicates counting sufficiently that machines are more attractive.
andygates··on Lego ISS
A year after the Curiosity rover, they were out of stock and being resold at a handy markup on ebay. Hopefully the 2020 rover will get a model too so I can get it in time. I'd advise not to sleep on this.
andygates··on Climate threats now dominate long-term risks, survey of global leaders finds
The antidote to despair is action.
andygates··on Climate threats now dominate long-term risks, survey of global leaders finds
Mandate taxis to be zero emission. Which is coming for some big urbs.
andygates··on Climate threats now dominate long-term risks, survey of global leaders finds
The Galileo Gambit in the wild!

Stop with the bad-faith distractions.

andygates··on Climate threats now dominate long-term risks, survey of global leaders finds
That's not relative, that's local and non-linear. Do pay attention.
andygates··on Climate threats now dominate long-term risks, survey of global leaders finds
And it was only not the hottest because of a neutral ENSO. ENSO (the El Nino - La Nina cycle) puts a wobble on the trend. A strong El Nino year will bust the current 2016 record.

The UK Met easily predicted this year's temps to be second-highest.

andygates··on Climate threats now dominate long-term risks, survey of global leaders finds
Square kilometerage is not on its own a useful measure. There's different terrain types, that have different responses to fire.
andygates··on Noether’s Theorem – A Quick Explanation (2019)
This is word salad in a math-heavy field.
andygates··on Nuclear fusion startup raises $100M to design and build a demo power plant
It it's cheap, sure.

It's probably not going to be that cheap, so it will instead replace all that fossil power.

Renewables are also quick to scale out, and low impact to decommission, so there's no loss in keeping on accelerating wind farm deployment.

andygates··on Nuclear fusion startup raises $100M to design and build a demo power plant
"Safest" here being the approach that physics and enfineering say is most likely to succeed: project risk, not actual safety risk.

(Ironically it was so large that until it shaken up, the project nearly sank for the usual "megaproject drama" reasons)

andygates··on Ask HN: What tech choices make “new” Reddit so unbearably slow?
Slowness and deception: they prepopulate the empty framework with grey placeholder non-text that implies "here will be text once it rezzes in" but is never what the layout suggests.

A bunch of fake paragraphs that just resolve to "F" are an aggravating user experience.

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