No one sets out to be an international slot machine kingpin: it just sort of happens. Our friends over at Wired took a look at Rodolfo Rodriguez Cabrera, who went from a Cuban engineering student to the head of a multi-million dollar bootlegging scheme.
I can't believe no one has thought of this until now. I will never have to rearrange my cell phone charger plug, laptop plug, and the dozen others that fight for space on a traditional power strip ever again. UPDATED.
Instructables posted a guide to creating a plumbers'-crack detector, using a LilyPad Arduino controller, a vibrating motor, and a photoresistor to measure how much light is beaming into your crack. When the photoresistor comes uncovered, the motor starts to vibrate, letting you know that your "coin slot" is exposed…