wcoenen

27 ms·

421.
by wcoenen 5y ago
Everybody was able to pre-buy Ether at the time, not just "a select few insiders". https://www.coindesk.com/markets/2020/07/11/sale-of-the-cent...
422.
by wcoenen 5y ago
The EROI of oil has dropped steadily over the years and has probably dropped below 8 now (8 units of energy produced for 1 spent): https://bylinetimes.com/2021/10/20/oil-system-collapsing-so-... This other ar
423.
by wcoenen 5y ago
It was already clear in September that this was going to happen, when fertilizer plants started to shut down because of the high gas prices[1]. (context: Natural gas is used to produce ammonia via the Haber process, and the ammonia is in tu
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by wcoenen 5y ago
In the article, Electrek wrote: > If the EV tax credit reform ends up passing, it would make the vehicle cheaper than its gasoline-powered version before gas savings. That’s just game over. That's a suggestion that people will no
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by wcoenen 5y ago
Some numbers to provide context about where GM is in the EV game: in 2021, GM delivered 24,828 EVs (Chevy Bolt) out of 2,218,228 cars in total in the USA, or just over 1% of their USA deliveries.[1] They still have a ways to go. [1] https
426.
by wcoenen 5y ago
From Norton's post: > What platforms can I transfer the crypto to? > Norton Crypto supports transfers of Ethereum from your digital wallet to Coinbase.
427.
by wcoenen 5y ago
It wasn't designed that way. In other locations in the city, street level is at least 150 cm above the water. But because of natural subsidence, ground water extraction, construction and peat oxidation, some parts of city's peat s
428.
by wcoenen 5y ago
Crypto wallet vulnerabilities related to ECDSA nonce reuse were already a thing in 2013 [1], so it's not surprising that there are bots waiting for this. [1] https://bitcoin.org/en/alert/2013-08-11-android
429.
by wcoenen 5y ago
A less harmful variant was hoped for, based on the initial data from South Africa for Omicron. However, the demographics and history of infections in South Africa are different from other countries, so this wasn't certain. Data and res
430.
by wcoenen 5y ago
Rat neurons hooked up to a flight sim in 2004: https://www.sciencedaily.com/releases/2004/10/041022104658.h...
431.
by wcoenen 5y ago
Some context that is missing in the article: this university has about 4000 students. [1] So those 4 suicides this year represent 0.1% of the student population. For comparison, the suicide rate for the Indian population in general is close
432.
by wcoenen 5y ago
I'm not familiar with the GNOME story, but removing features takes courage and is actually a form of sincerity. A developer team can be insincere and avoid outrage by just leaving half-broken features in the software, stop testing them
433.
by wcoenen 5y ago
I am a little confused about the test methodology. The post clearly explains that the big advantage of HTTP/3 is that it deals much better with IP packet loss. But then the tests are done without inducing (or at least measuring) packet
434.
by wcoenen 5y ago
> $64 per kw/h Putting a slash in the unit there makes this read as "kilowatt per hour", which really doesn't make sense. Think of it as the power the battery can continuously provide (in kilowatt) multiplied (not d
435.
by wcoenen 5y ago
If there are 30 feature toggles, there would be 2^30 ≈ 1 billion possible combinations. Finding the combinations that result in something broken (through some unexpected interaction of features) would be impossible via QA. I guess you could
436.
by wcoenen 5y ago
It's not Chinese propaganda. According to the UN, China accounts for more than 28% of global manufacturing output. https://www.statista.com/chart/20858/top-10-countries-by-sha...
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by wcoenen 5y ago
I think you're right. I phrased my argument like all PoW must necessarily collapse once they get too popular, and that may not be true exactly. E.g. if Bitcoin had no block rewards, then the income from transaction fees alone might pro
438.
by wcoenen 5y ago
> It’s actually the opposite since the block reward goes down over time See history of block reward in dollars[1]. This the miner's collective budget to find blocks. It's about 350K USD per 10 minutes now, or 2.1M USD/hour
439.
by wcoenen 5y ago
> Bitcoin uses about .1% of the worlds power currently. 10x less than you have suggested Your source says 0.2% on page 18, not 0.1%. The New York Times says 0.5%. https://www.nytimes.com/interactive/2021/09&#x2F
440.
by wcoenen 5y ago
Whether PoS will work, I don't know. But the author didn't realize that PoW is certainly doomed. PoW miners tend to spend more and more resources on finding blocks, until the cost approaches the rewards. But the rewards go up as t
441.
by wcoenen 5y ago
> irrigate the Sahara Desert to turn it into a vast grassland that can support a billion cattle. There are currently about a billion cows[1], and these produce 14.5% of green house gases[2] (in the form of methane, measured as co2-equiva
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by wcoenen 5y ago
Which is why mechanisms like carbon tariffs on imports are being designed. https://en.wikipedia.org/wiki/Carbon_Border_Adjustment_Mecha...
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by wcoenen 5y ago
The title seems to be a misquote, or at least a misleading interpretation from the survey results. Note how in the actual source[1] it's not specifically about Gen Z. It also says they believe they "could", not "will&quo
444.
by wcoenen 5y ago
> next galaxy (say 1 light year away). Nitpick: galaxies are millions of light-years apart. One light-year doesn't even get you to the closest star. The diameter of the Milky Way alone is on the order of 100K light-years.
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by wcoenen 5y ago
Any air moving towards the poles must necessarily be balanced by air moving away from the poles. This manifests as "Hadley cells" and other similar wind patterns. https://upload.wikimedia.org/wikipedia/commons
446.
by wcoenen 5y ago
For what it is worth: I don't own a Tesla but I've accidentally used that lever when I was in one. It did not shatter the window. It only triggered a warning on the display about not opening the door that way because it could ca
447.
by wcoenen 5y ago
I believe that costs associated with payment should always be an explicit part of the customer's bill, so that there would actually be competitive pressure between payment providers to drive down that cost. It would also make it clear
448.
by wcoenen 5y ago
No. How the space on the block chain is used doesn't really factor into that. The ceiling for the power usage of bitcoin can be estimated by taking the value of the bitcoin that is mined in total each hour (say 6 blocks/hour * 6.2
449.
by wcoenen 5y ago
It's either a spot market (i.e. immediate delivery) or a contracts market (e.g. futures, options, CFD). I don't think there is such a thing as a "spot market contract". In this case the price spike happened on a spot mar
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by wcoenen 5y ago
Until interest rates are raised, and then the higher discount rate used to value future cash flows results in a crash of asset prices.

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