Category Archives: Science

Musical Witchcraft

Posted on 2011-09-21 by M. Eric Carr

Tom Paxton uses dark magic to make a single opening note sound minor … or does he? Continue reading →

Posted in Analog, Music, Nostalgia, Science | Tagged , , , , | 1 Comment

Diamagnetic Levitation

Posted on 2011-09-11 by M. Eric Carr

Levitating a magnet without power or active controls, using the diamagnetic properties of bismuth. Continue reading →

Posted in Bismuth, HOW-TO, Level 3, Metalworking, Projects, Science | Tagged , , , , , , | Leave a comment

Virtual Worlds: Minecraft

Posted on 2011-09-06 by M. Eric Carr

A paleotech look at the virtual world of Minecraft, including some in-world science experiments from the perspective of a character newly transported to that world from ours. Continue reading →

Posted in Coding, Digital, Digital Citizenship, Games, Minecraft, Science, Toys | Tagged , , | Leave a comment

Puzzle cube

Posted on 2011-08-31 by M. Eric Carr

A simple wooden puzzle serves as an interesting test of various search algorithms. Continue reading →

Posted in BASIC, Coding, Math, Science | Tagged , , , , , | Leave a comment