HN user

ResNet

188 karma

Feel free to reach out! My HN contact: glad.wing7928@fastmail.com

Posts1
Comments33
View on HN

It's worth mentioning the recent development of extremely miniaturized (soda can-sized) refrigeration compressors, such as those from Aspen Systems [1]; these allow for efficient cooling in small spaces that just can't be achieved with Peltier-based solutions.

An interesting project I've seen using one of them is this portable chiller suit to cool the human body on-the-go, intended for relief of Multiple Sclerosis symptoms [2].

For DIY/prototyping, there are a bunch of Chinese manufacturers now producing compressors of these sizes along with the appropriate driver board for the variable-speed AC motor [3]. I'm excited to see how this technology will be applied elsewhere in time.

[1] https://aspensystems.com/vapor-compression-refrigeration/

[2] https://hackaday.io/project/4729-bringing-cool-relief-to-mul...

[3] https://web.archive.org/web/20220916231432/https://www.aliex... (archived as of time posted for future readers)

It shouldn't (directly) affect ProtonMail — they're based in Switzerland, which is not an EU member and thus not bound by EU law.

That said, it's possible that this could be implemented in a GDPR-like fashion, where non-EU companies offering services to EU persons would be required to follow these laws.

It's also worth noting that the EU and Switzerland do have some bilateral agreements [1] for single market access, though, which involves it adopting some required EU law to facilitate this access; however, that should not be relevant for this specific issue.

[1] https://ec.europa.eu/commission/presscorner/detail/cs/MEMO_1...

Solutions like these seem like they very well may do a good job in slowing global warming with relatively little effort/cost invested, but for political reasons won't see the light of day until they become a last resort, far too late in the game.

I can imagine humans a century from now wishing we had deployed them sooner and prevented so much unnecessary destruction.

Worth a try whilst you still can, but prepare for a taste unlike anything you've had before (I mean that seriously! It's that weird.)

I've eaten this stuff on toast from an early age and love it. It really is a thing people either love or hate, I don't know anyone that grew to enjoy it over time.

Sources familiar with the matter told Insider that one of the ways ads may show up in these games could be as digitally rendered billboards in car racing games.

Glad to read this part — if Microsoft enforces rules on how ads can be displayed like this, it would provide a good balance between supporting developers and providing an unobtrusive user experience.

It's a culture of accountability, not committees. Every product and feature has a DRI (Directly Responsible Individual). When something isn't working out, the first question is "who's the DRI on this?"

This seems to be in contrast to the tenet of blameless postmortems [1] adopted at Google et al. Does this culture lead to blaming said responsible individual, or is the feedback seen as constructive?

[1] https://sre.google/sre-book/postmortem-culture/

The fact that the telescope's cryocooler is acoustically symmetrical such that any vibrations made by each cylinder, and the actual flow of gas, is near-perfectly cancelled out is nothing short of amazing. [0]

Real Engineering made a video that covered this and more, which is well worth a watch. [1]

[0] https://webb.nasa.gov/content/about/innovations/cryocooler.h...

[1] https://www.youtube.com/watch?v=aICaAEXDJQQ (The Insane Engineering of James Webb Telescope)

This is a nice dive. I've also came across some SVG libraries that end up converting SVG path coordinates from original floating point values into integers, and then apply a scale/transform to that path to get the desired final size. Presumably this is/was faster for complicated paths or other elements.

Gas stations would be required to provide 50 kilowatts of charging power — enough for one DC fast charger.

Convenience is greatly sacrificed if only one charger is installed — it'll be a gamble if your local gas station has their charger free, etc., which makes planning on when to charge tricky. As many gas stations are likely to only invest the bare minimum to avoid this fee, this could become a common frustration if this goes ahead.

This sounds great.

Devil's advocate: Would this (or existing states' legislation, like California's) have any means of protecting against e.g. a non-CA user just changing their location to CA and immediately canceling? It sounds like an easy loophole for non-CA folks.

Whilst asking your bank/CC company to block a merchant is possible, it's not a reliable way of ensuring you aren't charged by the same company again — they could make use of a different payment processor (e.g. going from Stripe to BrainTree) or merchant account, and from the bank's perspective, a different entity made a charge and the ban would not be respected.

That's not to say that asking your bank to block Merchant X isn't useful, but the bank can't guarantee that the merchant won't be able charge you again via a different payment processor/etc., and is why some banks are hesitant to offer this functionality.

Many photographers don't earn what the "average" HNer does (if there is an average). My comment didn't really address the HN crowd.

The warranty aspect is a great point though, if a commercial photographer did this and lost their client's work because e.g. the pins broke off, I fear their clients' response.

The answer here comes down to what the individual is able to justify to themselves, be it via a cost-benefit analysis or merely "I'm a solo/hobbyist photographer, I could build this tomorrow evening during downtime and save some money, let's do it." :-)

I once got paid almost $1000, in just one day

This is surprisingly high in that I would have assumed it would be far more cost-effective for the company to improve automation here and bring in more equipment to assist — intuitively, even if such equipment would be expensive, it couldn't be more expensive than the labor costs.

What industry was this?

Things are quite different in Europe, where EU interchange is capped at a much lower 0.3% for credit cards and 0.2% for debit cards for most transactions [0]. Despite this, banking fintechs are still thriving, such as Monzo*, N26, and Revolut.

* whilst Monzo is a UK bank, Visa/Mastercard still use the same EU domestic interchange rates in the UK post-Brexit, at least for now.

[0] https://en.wikipedia.org/wiki/Interchange_fee#European_Union