Less Wrong is a community blog devoted to refining the art of human rationality. Please visit our About page for more information.

Comment author: linkhyrule5 25 July 2013 07:41:00AM 0 points [-]

Alas, Harry does not know Old English.

I wonder if he'll ask Quirrell?

Comment author: Carwajalca 25 July 2013 07:48:33AM 0 points [-]

Harry could possibly decipher some of the meaning without asking. When seeing the original ("Thrayen beyn Peverlas soona ahnd thrih heera toal thissoom Dath bey yewoonen."), what did you make of it? I understood it was about Peverell sons and Death. The last word was somewhat reminiscent of German "gewonnen", but this Harry possibly doesn't recognize.

Comment author: ikrase 25 July 2013 07:05:53AM *  1 point [-]

Is that even Draco? I think Gung Uneel nppvqragnyyl gnhtug Dhveeryzbeg gb Cngebahf.

Comment author: Carwajalca 25 July 2013 07:21:57AM 0 points [-]

A good guess, if it's someone else than Draco. But where and when did that happen? Are you referring to Harry's comment "I thought of my absolute rejection of death as the natural order." in Chapter 46? Neither of the gentlemen present thought that was sufficient information for understanding how to cast a Patronus.

Comment author: Carwajalca 25 July 2013 06:59:06AM 15 points [-]

That was when the shining creature came to him, gleaming soft white beneath the candlefires of the Ravenclaw common room, as it slithered out from nowhere, the silver snake.

Any guesses why Draco is contacting Harry?

Comment author: Carwajalca 23 July 2013 06:04:05AM 0 points [-]

Unfortunately I can't make it this time either. Have a fun meetup! Maybe the next one could be an informal picnic? We should enjoy the short summer while it lasts :)

All rationalists in Finland, FYI: http://www.kryoniikka.fi/liity-jaeseneksi

Comment author: MarkusRamikin 20 July 2012 06:20:11AM 3 points [-]

http://en.wikipedia.org/wiki/Pet_Rock

I have an untrustworthy feeling like I must have been the only person around here who didn't realize this.

Comment author: Carwajalca 18 July 2013 08:06:59AM 1 point [-]

Nope, you weren't.

Comment author: Gastogh 26 April 2012 05:46:56PM 11 points [-]

As of February 8, 2012, sunlight takes 11.9 hours to get to Pioneer 11 at its approximate distance. (Wikipedia)

It's been on its way since April 1973 (for right about 39 years), so assuming a steady speed, it would've passed the six-hour limit roughly 19,5 years ago, or in late 1992.

Comment author: Carwajalca 18 July 2013 07:59:02AM 0 points [-]

Pioneer 11 is moving at a speed of 11.4km/s relative to the Sun. The Earth's orbital speed is around 30km/s. Hence it's possible that the Earth-Pioneer distance increases to over six hours for a while and then drops again.

In response to Decision Theory FAQ
Comment author: Carwajalca 28 February 2013 10:53:04AM 2 points [-]

Maybe worth noting that there's recommended reading on decision theory on the "Best textbooks on every subject" post.

On decision theory, lukeprog recommends Peterson's An Introduction to Decision Theory over Resnik's Choices and Luce & Raiffa's Games and Decisions.

In response to Decision Theory FAQ
Comment author: Carwajalca 28 February 2013 10:48:51AM *  10 points [-]

Thanks for your post, it was a good summary of decision theory basics. Some corrections:

In the Allais paradox, choice (2A) should be "A 34% chance of 24,000$ and a 66% chance of nothing" (now 27,000$).

A typo in title 10.3.1., the title should probably be "Why should degrees of belief follow the laws of probability?".

In 11.1.10. Prisoner's dilemma, the Resnik quotation mentions a twenty-five year term, yet the decision matrix has "20 years in jail" as an outcome.

Comment author: Carwajalca 29 January 2013 11:21:28AM 26 points [-]

"I've never seen the Icarus story as a lesson about the limitations of humans. I see it as a lesson about the limitations of wax as an adhesive."

-- Randall Munroe, in http://what-if.xkcd.com/30/ (What-if xkcd, Interplanetary Cessna)

Comment author: komponisto 18 May 2011 08:03:52PM *  1 point [-]

Actually you could replace the word science with any other noun and it would still make grammatical sense.

That is a consequence of the meaning of the term "grammatical sense", not a property of the particular sentence under discussion.

Comment author: Carwajalca 18 May 2011 08:16:10PM 2 points [-]

Good point. What I meant is that this quote could be used to defend anything. "Being irrational is interesting, and if you don't agree you can fuck off."

View more: Next