June 2012
121 posts
Open sourcing Magic →
blogs.scientificamerican.com
Alex Stone’s new book Fooling Houdini shamelessly busts open the magic community’s code of silence.
JESP - Could Morality Have a Source? →
jesp.org
by Chris Heathwood
It is a common idea that morality, or moral truths, if there are any, must have some sort of source, or grounding. It has also been claimed that constructivist theories in metaethics have an advantage over realist theories in that the former but not the latter can provide such a grounding. This paper has two goals. First, it attempts to show that constructivism does not in fact provide a complete grounding for morality, and so is on a par with realism in this respect. Second, it explains why it seems that morality in fact couldn’t have a source.
The Long History of the Espresso Machine | Design Decoded →
blogs.smithsonianmag.com
A jet of hot water at 88°-93°C (190°-200°F) passes under a pressure of nine or more atmospheres through a seven-gram (.25 oz) cake-like layer of ground and tamped coffee. Done right, the result is a concentrate of not more than 30 ml (one oz) of pure sensorial pleasure.
DJ Mixer / Cross Fader, 1910 | Retronaut →
retronaut.co
he Gaumont Chronophone System synchronised sound and film at the Gaumont Palace in Paris. The volume was enough for an audience of 4000. Initially the longest film which could have synchronised sound was 200ft due to the limited playing time of a record. Gaumont surmounted this problem by having two record decks; a skilled operator could switch between them to give a more or less continuous soundtrack.”
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