mushroom comments on Open thread, August 26 - September 1, 2013 - Less Wrong Discussion
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What (not necessarily LW-related) things do people find useful to Anki? (Or have Ankied but they turned out not to be useful, etc.)
Some things I have:
the NATO phonetic alphabet
mass of Earth/Moon/Sun, radius of Earth/Moon
log_2 of 1.25, 1.5 and 1.75, and log_10 of 2 through 9
The 68-95-99.7 rule
Some things that I noticed I had to keep looking up: which is which between SQL left and right joins; the argument order to python's
datetime.datetime.strptimefunction; the spellings of irrelevant and separateI think only the latter group have had any use worth speaking of so far, though the third and fourth are things that I have more than once wanted to know and not known. The first two may just be almost-useless (though I like knowing them, so not necessarily worthless).
Things I kind of want to remember but suspect they wouldn't be worth it include other alphabets, and locations of countries/US states/UK counties/London underground stops (the aggregate may be useful, but there's an awful lot of cards there).
A related question: What sort of time per card have long-term Anki users experienced?
As a first "project" with Anki, I've been learning english vocabulary. Half are new words, and half are words I recognized but understood only vaguely. I have 2300 cards, and spent around 18 hours reviewing and 8 hours collating cards, which is around 40 seconds per card. Three months out, I'm reviewing ~30 cards a day in ~2 minutes.
I feel like a fool when I think that I've spent 26 hours studying vocabulary this summer, but I'm pretty pleased with the equivalent "40 seconds to learn a new word". More generally, the cumulative time spent on any habit will sound pyschotic when quoted over long time periods: 4 minutes a day is 24 hours over a year.