a glob of nerdishness

Don’t miss bbum’s Magnetic Finger: A Sixth Sense. He describes how to make yourself sensitive to electromagnetic radiation using nothing but an old hard drive, a bit of bamboo and some coconut. (Which might help explain to my wife why I keep so much junk(1) around the house.) You could also follow the links, repeated here, to read more about the surgical inspiration for his adventure.

1. that is, spare parts