MichaelApproved

10 ms·

31.
by MichaelApproved 4y ago
Great points across the board. Thanks!
32.
by MichaelApproved 4y ago
> Will you build a bridge that’s inexpensive, but will have to be replaced in 25 years, or will you spend twice the money for more concrete and more steel to make it last for 50? > > Of course the second (which is what is actual
33.
by MichaelApproved 4y ago
What about UPDATE performance? Your article and the parent one are explaining performance improvements related to INSERT and SELECT but what about the improved performance for UPDATE ? I wrote a long comment[0] on yesterday’s Postgre
34.
by MichaelApproved 4y ago
> Why would you be trying to prevent the DB from reordering the data? Sure. “Reduce the need” would be a better word than “prevent”. If I can do a good job organizing the table columns (as described above) it’ll lower the need for the DB
35.
by MichaelApproved 4y ago
> the database should be able to reorder the data in whatever way it likes My point was that you’re trying to prevent the DB from reordering the data because there’s a performance cost when that happens.
36.
by MichaelApproved 4y ago
Based on my understanding of DB storage (which is decades old and as I write the comment my explanation seems stupid but it’s what I was taught. Please someone correct me). Image a table with the following: id (int), title (varchar), create
37.
by MichaelApproved 4y ago
In her video, she claims that linking to studies is the proper way to present news. Then she quotes a study and doesn’t link to it in the video description. She doesn’t link to this post either. I like the videos she makes explaining scient
38.
by MichaelApproved 4y ago
I think it’s meant to provide an emergency source of water for drinking. You wouldn’t want to use this for a large population for a prolonged period of time because you’d have trouble disposing of all the salt waste. Figuring out how to han
39.
by MichaelApproved 4y ago
They pass the initial law as opt-in. That allows them to fund the initial infrastructure. Then they make it out-out. The change doesn’t get much attention because the funding is already in place and “ think of the children ”. Then they add
40.
by MichaelApproved 4y ago
Then I’d say you walked 1.5 miles in 30 minutes. The equivalent to saying generated 15 watts of power over 30 minutes from a panel that’s providing 30wh of power. I’m assuming what I’m saying is wrong, I just can’t spot it. Thanks for the h
41.
by MichaelApproved 4y ago
Thanks. I’ll need to read that a few times because I struggle with this constantly.
42.
by MichaelApproved 4y ago
I almost instantly hit the edit button after I post a comment.
43.
by MichaelApproved 4y ago
OP here. Thanks for understanding what I’m trying to say and putting it in the correct terminology. However, I think I’d still make the same mistake in the future because I don’t understand how to express what the (assumed) 50 watt rated pa
44.
by MichaelApproved 4y ago
Good point. I wish articles like these would include figures. I’d love to know what they calculate RO efficiency to be at small scales and how far away they are from beating it. Sure, that might be boring for some readers but they could thr
45.
by MichaelApproved 4y ago
Thank you. And you’re right, I am amazing ;) But seriously the main reason I write these comments is to work through my thoughts as I try to articulate them and get feedback on what I’m thinking. I’m actually happy when someone points out a
46.
by MichaelApproved 4y ago
You’d have to raise them up pretty high to get them colder than the dew point. The energy it’d take to raise and lower the material would make it cost prohibitive. I considered that the balloons would be a balancing force but don’t forget t
47.
by MichaelApproved 4y ago
Would dry regions that need water have enough cloud coverage for that to be viable? My guess is that any place with sufficient cloud coverage is already getting enough rain water to satisfy their needs.
48.
by MichaelApproved 4y ago
The article claims 3x more efficiency in a confusing sentence: ”Their prototype generates drinking water at a rate of 0.3 liters per hour, and requires only 20 watts of power per liter.” So the unit only produces 0.3 liters an hour but if
49.
by MichaelApproved 4y ago
For these small amounts, I doubt pumping it back out would be an issue but is that what they’re doing? I thought the metal plates were collecting the salt but the article and video don’t make it clear.
50.
by MichaelApproved 4y ago
It wouldn’t be the first time I made a mistake like that by not clearly identifying my units but I think I got it right. Let me rephrase and use watt/hour units. I was assuming it was a 50 watt panel that would only produce 30wh from t
51.
by MichaelApproved 4y ago
I was so quick to criticize technology that I completely overlooked those points. Reading the article again, it’s embarrassing to see that I missed it when they were emphasizing it so much. I have one more lingering criticism that I don’t t
52.
by MichaelApproved 4y ago
“ Atmospheric Water Generators ” At first I thought you were just using a marketing term for dehumidifiers but I looked it up before posting. I see that term is used for tight mesh fabric that’s hung vertically as a passive matrix to collec
53.
by MichaelApproved 4y ago
Edit: I wrote out the comment below criticizing the efficiency of this device, when compared to reverse osmosis RO desalination (100x less efficient). However, they’re not trying to be more efficient than RO devices, they’re trying to be mo
54.
by MichaelApproved 4y ago
That’s what I was getting from them but their marketing isn’t clear. Use cases would be very helpful.
55.
by MichaelApproved 5y ago
No, that’s not what I’m trying to argue.
56.
by MichaelApproved 5y ago
People who claim “ standardized test is systematic racism ” are not necessarily the same people who think “ asian americans being discriminated at ivy leagues even with good standardized test score is not seen as systematic racism. ” You ar
57.
by MichaelApproved 5y ago
I’d say you’ve got more straw men in that loaded question than farmers have in their field. You’re taking poorly summarized opinions and pretending that combination of opinions are held by a group of significant size.
58.
by MichaelApproved 5y ago
And the damage done to consumers would also be enormous. For whatever faults they might have, the regulations are intended to protect consumers, not harm them with a scorched earth plan out of a libertarian fantasy. There are plenty of ways
59.
by MichaelApproved 5y ago
Since you’re conducting an experiment, I’ll provide my feedback. Usually I’d downvote a simple comment talking about being first to post but you also provided a link to the previous discussion which I thought was worth upvoting. Regarding t
60.
by MichaelApproved 5y ago
If we're talking about chimney efficiency then we should talk about including heat exchangers within the chimney walls. Jamie Hyneman of Mythbusters added one to his house and talks about it here https://www.youtube.com&#x2F

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