Recent submissions

Comment · 1 year ago
It's very unclear to me how you seem to expect medical research to be done in the cloud. Overhead is crucial to create and maintain research infrastructure necessary to advance medicine and science.
Comment · 2 years ago
Comment · 2 years ago
Algebraically, where | denotes concatenation, and z is a string of 0s:

x = y | 1 | z

-x = ~x + 1

-x = (~y | 0 | ~z) + 1

-x = ~y | 1 | z

x & -x = (y & ~y) | (1 & 1) | (z & z)

x & -x = 0 | 1 | z

Comment · 2 years ago
As an math educator, I think there's a huge flaw in this study. The investigators failed to follow up to see why the mistake was made. They leap to assuming the player is trying to "deny the antecedent", but I think there's a much simpler explanation: the players aren't reading the instructions carefully.

There's two reading errors I would expect someone to make given this experiment:

1. The instructions that each card has exactly one letter and exactly one number are before the big cards. I bet many players just skipped that instruction.

2. Mistaking the P→Q as P←→Q smacks more of a reading comprehension error than a logical error.

Disclosure: I made both mistakes. (-:

Comment · 2 years ago
Comment · 2 years ago
It's just a little spark of inspiration.
Comment · 2 years ago
Comment · 2 years ago
Like most inequities, those who are in the benefiting group frequently don't realize that privilege.
Comment · 2 years ago
Nice to see JRMF trending on HN. JRMF puzzles and festivals are a great way to engage general audiences of grade school students in mathematical inquiry and problem solving.
Comment · 2 years ago
I like the phrasing used by https://houseofgraphs.org/ — while there are an infinite number of mathematical objects in any category, there are only "a few thousand that can be considered really interesting."
Comment · 2 years ago
Comment · 2 years ago
Literally Doug Bowser.
Comment · 2 years ago
Calculus 1 instructors, everywhere, screaming

> TikTok is finally concave down

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