joak

19 ms·

211.
by joak 3y ago
This boiling temperature conclusion makes the assumption that we continue using thermal power (steam engines, etc...), where waste heat is around 60%. However photovoltaic and wind does not produce much waste heat. Arguably solar and wind c
212.
by joak 3y ago
Singapore housing costs are comparable to NYC's, SF's, Paris', London's etc... The thing is that you don't need a car (cars are super expensive though) So all in all Singapore is not expensive, average to low, compa
213.
by joak 3y ago
For WP (work permit - unskilled jobs) there is ratio of local vs foreigners that needs to be enforced. For EP (employment pass - skilled jobs) there is no limit.
214.
I Let ChatGPT Take My Final Exam(slate.com)
4 points by joak 3y ago|0 comments
215.
(Allegedly) Google's upcoming Gemini AI model smashes OpenAI's GPT-4(businessinsider.com)
5 points by joak 3y ago|2 comments
216.
by joak 3y ago
In Singapore they have the following system: if you want to hire a foreign worker you need to pay they more than the local worker for the same position. This ensures foreign workers don't steal jobs from locals. Another good thing is t
217.
The Only Reason to Explore Space(palladiummag.com)
2 points by joak 3y ago|0 comments
218.
by joak 3y ago
The title says 'fusion' but the talk is actually about NIF and their inflated PR. Fusion energy companies like CFS (tokamak) or Helion (colliding FRCs with direct energy capture) might start producing electricity to the grid in le
219.
by joak 3y ago
Excerpt: So the technique could allow doctors to detect viral infections without first having to amplify the genetic material from a patient, [..] making it possible to detect in minutes not just whether a particular virus is present, but h
220.
Biochip could detect multiple viruses, cancers, or toxins in minutes(science.org)
5 points by joak 3y ago|1 comments
221.
Scientists at Fermilab close in on fifth force of nature(bbc.com)
15 points by joak 3y ago|0 comments
222.
by joak 3y ago
Why algae? An alternative could be power to X with carbon capture for sugars' synthesis. This is more land efficient than growing plants.
223.
Offshore wind potential in the US is huge but untapped(theverge.com)
89 points by joak 3y ago|96 comments
224.
Net greenhouse gas emissions from gas and coal at varying methane leakage rates(iopscience.iop.org)
4 points by joak 3y ago|0 comments
225.
by joak 3y ago
«xAI, a venture whose ambitious aim is to “understand the true nature of the universe.”» C'mon, we already have the answer it's 42
226.
Carbon–cement supercapacitors as a scalable bulk energy storage solution(pnas.org)
58 points by joak 3y ago|1 comments
227.
by joak 3y ago
Have a look at quantum computing. Majors in QC are not very common, so they hire PhDs in maths and physics willing to switch to a new field. Relevant maths are linear algebra, statistics and theoretical CS (ie logic)
228.
by joak 3y ago
Sao Paulo is the city with the highest number of helicopters. https://www.theguardian.com/world/2008/jun/20/brazil They probably know where the costs are. Maintenance and fuel I guess... And electric VTO
229.
Brazil's Embraer plans to build electric flying taxi factory near Sao Paulo(bbc.com)
65 points by joak 3y ago|41 comments
230.
by joak 3y ago
1. The planet is not a closed system. For what matters the planet has an infinite stream of (solar) energy getting in. So, no, we are not on a finite planet. 2. The plants do a pretty good job with the solar energy, is there some technical
231.
by joak 3y ago
Before approval it's research, it's an investment. When in developing phase it's normal not to make money. After approval it's the health insurance or the patient that pay. In countries like Singapore or France the taxes
232.
by joak 3y ago
Exactly, a treatment should be free until approved by FDA. The team would try to make the treatment an experiment useful for science. They would have no incentives to kill prematurely patients that would otherwise have lived longer. They wo
233.
Diverse organic-mineral associations in Jezero crater, Mars(nature.com)
6 points by joak 3y ago|0 comments
234.
NASA finds a wide variety of organic compounds in an ancient Martian lake(english.elpais.com)
1 points by joak 3y ago|0 comments
235.
A radical redesign of GPT4 could be behind the decline in performance(businessinsider.com)
5 points by joak 3y ago|1 comments
236.
by joak 3y ago
More information here: Physicist who found spherical meteor fragments claims they may come from an alien spaceship – here’s what to make of it https://theconversation.com/physicist-who-found-spherical-me...
237.
Physicist who found spherical meteor fragments claims they are alien(theconversation.com)
16 points by joak 3y ago|16 comments
238.
by joak 3y ago
Trace elements plus round errors can easily sum up to 2%. Imagine 84.4% iron, 8.2% silicon, etc... And dozens of elements with a tiny percentage
239.
by joak 3y ago
What about the network externalities? People are on twitter because everyone is on Twitter, not because twitter has better features...
240.
The Trouble with [DT] Fusion by Lawrence M. Lidsky (MIT Tech Review 1983) [pdf](orcutt.net)
1 points by joak 3y ago|0 comments

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