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Punoxysm comments on What false beliefs have you held and why were you wrong? - Less Wrong Discussion

28 Post author: Punoxysm 16 October 2014 05:58PM

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Comment author: Punoxysm 17 October 2014 12:50:02AM 5 points [-]

One of the smartest people in my high school spent a class arguing that a there were 4^20 possibilities for a sequence of 4 amino acids, when in fact it was 20^4. Not quite as elementary as yours, but our brains all play tricks on us.

Comment author: [deleted] 18 October 2014 01:25:13AM 0 points [-]

Wikipedia says there are 500 known amino acids. I take it you were talking about a domain involving fewer potential amino acids?

Comment author: Punoxysm 18 October 2014 06:04:16AM 9 points [-]

The 20 amino acids involved in protein creation.

Comment author: Toggle 18 October 2014 01:51:16AM 6 points [-]

Presumably the slightly greater than twenty that form the universal basis of biological protein polymers. In other words, the amino acids explicitly coded for by DNA.

Comment author: Luke_A_Somers 17 October 2014 02:43:36PM *  1 point [-]

I once spent about 20 minutes in class trying to justify the claim that a cubic meter of water weighs one ton, not 100 kilograms.

As you may note, this is not a false belief; it's relevant because I spent a significant fraction of this time wracking my brain trying to jog it free to see if I was being dense (pun intended) like you're describing (I have pretty strong reasons to believe I didn't remember this incident backwards as a case of self-justification by retcon)

Comment author: Jackercrack 20 October 2014 08:28:33PM 0 points [-]

You just made me sufficiently confused to quickly google the volume of a cubic meter and the weight of a litre of water. I suspect this is a good habit to reinforce but I can't help feeling silly.