Electromagnetic candy is any electrical object, usually computers or spaceships or mp3 players, that is bait and attracts geeks or others in general.
Electromagnetic Candy is a reference to an analogy used in the Farscape episode "Green Eyed Monster" where electromagnetic fields are attractive to Budongs.
"I was on the way to my Job interview, but I was distracted by the electromagnetic candy at JB Hi-Fi"
Question: "What present do you want for your birthday"
Answer :"Electromagnetic candy"
Question: "How good is that video game?"
Answer: "It is Electromagnetic Candy"