Dan North on Uncertainty

Granted, it's a broad topic, but Dan in my book, still is one of the most entertaining speakers: http://www.infoq.com/presentations/Embracing-Uncertainty

John Cleese on Creativiy

Even though it seems to have been recorded quite a while back, a brilliant talk by John Cleese (Monty Python) on creativity: http://www.youtube.com/watch?v=VShmtsLhkQg&feature=player_embedded

crazybob at StrangeLoop

Nice talk by Bob Lee where he basically explains what's going on at Square, the company at which he's CTO at the moment: http://www.infoq.com/presentations/Square

Hierarchial Databases

In case you're dealing with a natural hierarchical model and are tired of bending existing solutions to simulate hierarchies, check out ModeShape. It's lightweight and LGPL licensed.

Google Data Center

via street view . Pretty cool !

Liberalism / Conservatism in Software Engineering

A brilliant essay by Steve Yegge: https://plus.google.com/110981030061712822816/posts/KaSKeg4vQtz

Java Generics and Extreme Sports

If you've every used generics in Java and thought that
public abstract class Enum<E extends Enum<E>> implements Comparable<E>, Serializable sends your neural synapses into an infinite loop, check this example out, courtesy of Spring Data: http://blog.springsource.org/2012/08/03/the-most-amazing-java-type-declaration-ever/