1. Physics 101 states that if an object with mass M is moved N meters, then moved -N meters (i.e. a bowling ball is lifted off of the floor to 5m, then put down again) then no work is done.

2. Here’s how to set up your Linksys BEFW11S4 (the 4-port Ethernet switch/wireless access point combo) up as a wireless access point only.

3. The act of sharpening is painful to both sword and stone. A few simple logical leaps, and you will get the explanation for why people seek comfort and shun change.

4. My hovercraft is full of eels.