Most motherboards have a feature that I have been aware of for some time but have not tried until recently. It is called wake-on-LAN (WOL) and gives you the ability to wake a computer simply by sending it a “magic packet” from any other machine on the local area network (LAN). A magic packet is

One of my recent projects required me to convert a time-lapse video of a microscope slide to a sequence of JPEGs so I could analyze these JPEGs using imageJ. To accomplish the conversion I used my iMac running OS X and FFmpeg, a freely available image and video conversion program. I ran the following command