Safecracking is the “new hot thing” over at Reddit. The phenomena of people finding old safes and wondering what was in them apparently hits a nerve… a guy started a thread about a vault he found in the basement of a “former drug house,” and people loved the mystery. Loved it to the degree it now has a subreddit with 77,000 people and mentions in the US national news(!).
The mystique and mystery of a locked safe has a long and storied history of inspiring clever people to do interesting things: http://boingboing.net/2011/01/21/safe-cracking-robot.html
Lifehacking: Lights… I like cool tricks with lights. This is insane, and probably has lifehacking implications: it shows really weird ways the right kind of light can affect the brain, and I suspect if you can figure out why this works you can use it for other things as well. http://blog.saikoled.com/post/45760195354/generating-vivid-geometric-hallucinations-using-flicker
Eschatology: Gold may be a better hedge than I thought. http://www.zerohedge.com/news/2013-03-19/sprott-do-western-central-banks-have-any-gold-left-part-ii