other stuff

my sporadic obsessions

This one struck a chord. Via stuff no one told me.

Tagged as: education

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protect IP PSA

I don’t usually (and don’t plan to often) use this blog as a medium for politics, but I feel strongly enough about the Protect IP act to share this. Essentially the bill would allow the entertainment industry to censor the internet; destructive in itself but perhaps setting an even more dangerous precedent. From fightforthefuture.org It’ll give the [...]

Tagged as: protect IP

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Lo, my 100 subscribers, who are you?

So I recently checked my subscription statistics to find that over a hundred of you have subscribed to pdnotebook. First, thanks. Second, why do you subscribe? What content do you find valuable? What content do you find utterly worthless? Do you follow via email, RSS, twitter, maybe even Quora? I don’t have a master plan [...]

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TI-83 and the moon

Great fact from Quora (I’m sure only engineers will get the context) The guidance computer from the Apollo 11 mission ran at 1.024 MHz, about 1/6th of the processing power of a TI-83 calculator, and it took human beings to the moon.  

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