gwern comments on Spaced Repetition literature review prize: And the winner is... - Less Wrong

26 Post author: jsalvatier 19 August 2011 08:35PM

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Comment author: gwern 19 August 2011 11:50:17PM *  16 points [-]

I'd like to thank John for putting up the prize money and just starting the prize - such things can be thankless, and as public goods one might expect them to be under-supplied. I would have worked in some of that research, but not this soon nor in as much depth.

I also appreciate the feedback he and the judges left on the SR page. Feedback is a pretty rare thing for things I write.

I'm afraid I don't have grandiose plans for the money - $272 is earmarked for repairs to my car (in part thanks to my sister), and I already spent $70 on fish oil and vitamin D. The $40 left may enable me to finally experiment with nicotine, which ought to be interesting.

EDIT: I ordered the nicotine-water last night. Preliminary plans: using the habit-formation for exercise, spaced repetition, and n-backing.

Comment author: Metus 20 August 2011 06:41:12PM 3 points [-]

Upvoted for putting your money to good use. I enjoy your work on nootropics and am looking forward to reading more from you.

Comment author: jwhendy 31 August 2011 10:40:43PM 1 point [-]

Your website might have stripped out the division sign. I see:

The concentration is 100 mg of nicotine per ml, there are 1000 ml per liter, one wants 2 mg per dose, so 100×10002=50000 doses...

Took me a sec to figure out it should be 100 x 1000 / 2.

Comment author: gwern 31 August 2011 11:14:23PM 1 point [-]

That's just you. Your web browser is not running Javascript, you don't have the fonts, or something. I see the division as I wrote it in Firefox: http://i.imgur.com/c2U2R.png

Comment author: arundelo 31 August 2011 11:34:06PM 2 points [-]

I see the HTML source uses MathML:

<math display="inline" xmlns="<http://www.w3.org/1998/Math/MathML>"><mrow><mfrac><mrow><mn>100</mn><mo>&#215;</mo><mn>1000</mn></mrow><mn>2</mn></mfrac><mo>=</mo><mn>50000</mn></mrow></math>

I couldn't tell from the screenshot what browser and OS you're using but for me (on Linux), it shows up as "100×10002" in Chrome but as a (correct) fraction in Firefox (3.5). In both it acts like "100×10002" in the contexts of searching and copying/pasting.

Comment author: jwhendy 01 September 2011 02:42:03AM 1 point [-]

Ditto -- on Arch linux, chrome with javascript enabled does not work; firefox 3.6 does.

Comment author: gwern 01 September 2011 12:56:08AM 0 points [-]

I see the HTML source uses MathML:

Correct. The Javascript is because apparently browsers have to be forced to render the MathML; I don't understand the details.

I couldn't tell from the screenshot what browser and OS you're using

Debian unstable's Iceweasel.

Comment author: Douglas_Knight 01 September 2011 02:03:38AM 2 points [-]

I tried three browsers and in none of them did javascript make a difference. (I had both success and failure.)

Comment author: arundelo 01 September 2011 01:16:08AM 1 point [-]

(Just in case it wasn't clear, I do have JavaScript enabled in Chrome.)

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