timerol

7 ms·

151.
by timerol 3y ago
Solar has become so cheap that the bottleneck is the interconnection queue - utilites are overwhelmed by the amount of modelling that they have to do to ensure the stability and capacity of the grid with the addition of more renewables. (Th
152.
by timerol 3y ago
I opened the article after reading this comment, looked at the cover image, and thought you must be out of your mind. Then I scrolled down, and the newer images looked progressively worse. The South Gardens complex looks like it's afra
153.
by timerol 3y ago
Your math is off a bit. The panel you linked is 1.722m by 1.134m, or $34 per square meter. It's wild that it's in the same ballpark as a fence panel, though
154.
by timerol 3y ago
It was so close to a good example, too. Increasing the payout to $1.1M would make the example make so much more sense. It's positive EV for everyone, but only Mr. Behemoth can control his variance. (This is ignoring finance.)
155.
by timerol 3y ago
The "intentionally designed" part isn't just the mail, it's the process that comes after receiving mail. The VP of Retail Banking does not read their own mail. Who does read that mail? How are various letters delegated t
156.
by timerol 3y ago
> so that no one ever had to have their lives savings stolen by bankers with no recurse. This is meant sarcastically, right? Crypto is extremely efficient at causing people's life savings to evaporate
157.
by timerol 3y ago
Here's a rewritten first sentence, without endorsement for or against: English Wikipedia has become a party organ for the ideology of universities' liberal arts departments. It filters for a particular viewpoint: deconstructive, p
158.
by timerol 3y ago
Wikipedia is unsurprisingly pretty good: https://en.wikipedia.org/wiki/Effective_altruism I feel that this summary is useful as a history of the movement. https://forum.effectivealtruism.org/posts/
159.
by timerol 3y ago
TFA quotes an "EA forum", and some Googling leads to https://forum.effectivealtruism.org/posts/xof7iFB3uh8Kc53bG/...
160.
by timerol 3y ago
> earning their 10% Note that GiveWell only gets 10% of your donation if you explicitly request that they do. https://www.givewell.org/donate/more-information#How_is_Give...
161.
by timerol 3y ago
"Rise from fringe to fastest-growing" seems like a math misunderstanding. Something that's small has the largest possibility of growing rapidly, expressed as a percentage. https://xkcd.com/1102/ The arti
162.
by timerol 3y ago
Your parent was complaining about desktops, not laptops. They specifically called out that laptops do this correctly (along with most other devices)
163.
by timerol 3y ago
Some people are just bad at managing finances. I had a loved one who racked up $10k in credit card debt because autopay was set to pay the minimum payment. The payments were low enough that they thought they had more money than they did, an
164.
by timerol 3y ago
A Huffman code like this can also represent knights (or any single other piece) in 3 bits. 000 - black pawn 001 - black knight 0100 - black bishop 0101 - black rook 0110 - black king 0111 - black queen 100 - white pawn 10
165.
by timerol 3y ago
There are specific types mentioned to denote rooks that the king is allowed to castle towards, and pawns that can be en passanted
166.
by timerol 3y ago
Your version 1 is similar to my top level comment. Note that 4 bits is enough to encode color, type, and include special types for en passantable pawn and castleable rook, so you keep a clean 24 bytes. (Compressing the two special types int
167.
by timerol 3y ago
I like the bitboard inversion idea. (Requires flipping logic as well from https://news.ycombinator.com/item?id=37526484 , since 32 is a special case.) Note that the en-passantable pawns and castle-able rooks came from option
168.
by timerol 3y ago
... right. I thought 16 felt a little small. Thanks for the catch, updated
169.
by timerol 3y ago
Convention - use the same bit-to-number scheme in the blog post. Bit 0 is a1, bit 7 is h1, bit 8 is a2, bit 56 is a8, bit 63 is h8.
170.
by timerol 3y ago
I played with this in the past ( https://news.ycombinator.com/item?id=34461113#34462521 ), but am willing to take another stab at it. Store one 64 bit bitboard - a set bit means that a piece is present at that place. An unset
171.
by timerol 3y ago
> The energy density rating of the average supercapacitor is between 2,500 Wh per kg and 45,000 Wh per kg. That's from your source, and those numbers are entirely made up. The Wikipedia article for supercapacitors lists a more norma
172.
by timerol 3y ago
These turbines are meant to be used in a fleet, along a river. They take about 16 feet across per pair, so call it 20 across the normal flow of the river. They also do not block the flow, so more can be installed a little downstream, depend
173.
by timerol 3y ago
> But the UCLA investigators developed a technique that prevents that corrosion and showed that, in its absence, lithium atoms assemble into a surprising shape—the rhombic dodecahedron, a 12-sided figure similar to the dice used in role-
174.
by timerol 3y ago
Superconductors aren't always superconducting. There is a set of circumstances in which superconduction happens. If the current is below this limit, voltage is 0. If current is above this limit, then voltage is more accurately predicte
175.
by timerol 3y ago
Note that this joke is made, but better, in TFA. With an accompanying (non-original) graphic.
176.
by timerol 3y ago
I understand that grades matter for getting into college, but this mindset is viscerally horrifying to me. It almost reads to me as: "What if people were appropriately challenged and learned more? Wouldn't that be horrible?"
177.
by timerol 3y ago
No, 1000L/day is about right for a typical American household. [1] claims "The average American family uses more than 300 gallons of water per day at home." 300 gal is 1136 L. https://www.epa.gov/watersense&#x
178.
by timerol 3y ago
> Generally speaking, all open source software is free software, and vice versa. (From the tooltip in https://writefreesoftware.org/learn/ .) This seems to be the most objectionable statement made, though it is prope
179.
by timerol 3y ago
> Please don't post comments saying that HN is turning into Reddit. It's a semi-noob illusion, as old as the hills. This is so common that there is a point specifically about it in the HN guidelines https://news.ycom
180.
by timerol 3y ago
> Reddit just happens to have a single-pane-of-glass view for a feed of multiple communities' posts, just like Twitter has a single-pane-of-glass view for a feed of multiple accounts' posts. I disagree with the "just happe

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