sien

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301.
by sien 4y ago
Australia is constructing the Snowy River 2 pumped hydro setup. Initial cost estimate was $AU 3 Bn, it's now headed toward $AU 6 Bn plus a connector that could also cost billions. https://reneweconomy.com.au/snowy-2-0-h
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by sien 4y ago
Fun fact, the Australian Green Party was born protesting renewable electricity. They stopped the development of the Franklin Dam in Tasmania. "In the late 1970s and 1980s, a public campaign to prevent the construction of the Franklin D
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by sien 4y ago
Why not electro-fuels ? Prometheus and others have plans that may come to fruition. https://news.ycombinator.com/item?id=31264388
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by sien 4y ago
Everywhere except the US cars pay far more in petrol tax than roads cost. In Australia, where we have cheap petrol compared to Europe or Japan a little over half of petrol tax goes into roads or public transport. https://www.abc.
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by sien 4y ago
This is a very good article. It's interesting to see why HSR costs so much. For those TLDR. HSR fails cost/benefit analysis. The paragraph is very good : "By CA HSR’s own numbers, the completed system may carry 35 million pas
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by sien 4y ago
They can be bought on Amazon too. Tibuta Masterpad W100 8.9 inch Unboxing and review : https://www.youtube.com/watch?v=K6RxARPBNZk on Amazon for $US 150 https://www.amazon.com/Tibuta-Masterpad-Computer-1536%
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by sien 4y ago
True. Radio 4 make some really good podcasts of their shows now too. In Our Time and More or Less are excellent. But in radio times if you weren't in the UK you couldn't listen to them.
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by sien 4y ago
Yes. Exactly A friend of mine who is a writer made a podcast where she spoke to writers about how they write and their writing. She made ~100 episodes. It was incredible how professional it sounded. It was really remarkable. That's wha
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by sien 4y ago
Oh gawd no. Podcasting is much, much better than radio ever was. Radio never had anything like Lex Fridman, Omega Tau, The Internet History Podcast, Gradient Dissent, or Econtalk. Where people with real expertise interview people with real
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by sien 4y ago
There are fusion companies that are trying to make aneutronic fusion work. This form of fusion doesn't involve boiling water. https://en.wikipedia.org/wiki/Aneutronic_fusion Helion Energy is the best known. https
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by sien 4y ago
With the knowledge that comes out of building fusion power plants the next thing to build is fusion rockets. https://en.wikipedia.org/wiki/Project_Daedalus
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by sien 4y ago
On Metaculus : Most likely - fusion ignition in the 2030s. Fusion supplying 10% of global electricity in the 2050s. https://www.metaculus.com/questions/?order_by=-rank&main-fee...
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by sien 4y ago
Weird AI would be a great name for an ML system that made up lyrics for popular songs.
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by sien 4y ago
In 2000, Houston had a population of 3.8M in 2020 it was 6.3 M. From https://www.macrotrends.net/cities/23014/houston/population They have also managed this with affordable housing. That's something to l
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by sien 4y ago
This was posted a few days ago to /r/neoliberal and /r/yimby https://old.reddit.com/r/yimby/comments/wz3tq0/anything_but_...
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California legislature has just voted to save Diablo Canyon nuclear plant(latimes.com)
7 points by sien 4y ago|2 comments
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by sien 4y ago
This is a really interesting article. Perhaps the low hanging fruit is now gone. Perhaps it's going to be harder in future to establish really large companies. Of course there are many valuable companies yet to be created, but perhaps
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The Commodore 64 at 40(theguardian.com)
9 points by sien 4y ago|0 comments
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The frontrunners in the trillion-dollar race for limitless fusion power(fastcompany.com)
1 points by sien 4y ago|0 comments
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De-extinction: scientists are planning the resurrection of the Tasmanian tiger(theguardian.com)
2 points by sien 4y ago|0 comments
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by sien 4y ago
For anyone interested there is a good podcast on the Psychology of Video Games : https://www.psychologyofgames.com/podcast/ Jamie Madigan, the host, has also spoken at GDC and whatnot and gets a good variety of guests
322.
by sien 4y ago
You can set up groups on Goodreads. There are groups for Metafilter and Econtalk and things. Why not set up one there and advertise it on HN and select a book and see how it goes?
323.
by sien 4y ago
Yes. This is true. But honestly, while it still midly annoys me it just doesn't seem worth the effort. What was interesting is just how unobjectionable this addition is and how hard it was to go through all the processes. I've add
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by sien 4y ago
Some of the stats in the current article come from the predecessor of the AusPlay Survey. Also, there are stats in the article that are completely biased that are self-reported stats from sports organisations. The people objecting to new st
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by sien 4y ago
It's like Wargames. The only way to win is not to play. Actually, that said, perhaps some readers who are not in the argument might learn something. Or if you're in it then you do as well.
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by sien 4y ago
Not always. Any particular two or more wikipedians who decide they don't want something in can sometimes stop it. For example, in Australia there is a body that does sport participation statistics, Ausplay. They do this every year. It&
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by sien 4y ago
Canberra.
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by sien 4y ago
I live in a car centric 15 minute city. My work is ~13 minutes away. There is a Primary and Secondary School within 5 and 20 minutes walk. A supermarket is a 10 minute bike ride away. A hospital is 10 minutes drive away. A top 50 ranked Uni
329.
by sien 4y ago
The turbofan wikipedia page has a very nice graph that shows the propulsive efficiency of turbofans, turboprops and turbojets at different speeds. https://en.wikipedia.org/wiki/Turbofan#Efficiency
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by sien 4y ago
Chris Arnade has done this around the US and now around the world. https://walkingtheworld.substack.com/ He worked as a quant for years after getting a PhD in Physics. He is worth reading. His book on the US is also worth a

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