The article posits a few points that are contrary to orthodox Christianity so please take that into account when reading. It's also quite lengthy, over 4,000 words. But FReepers will be readily able to handle that amount of content with ease.
I have seen a few photos of the ‘clock’...a mess of circuit boards and wires. Have you seen any photos which actually show anything that looks like a clock - as in a display that shows the time?
Or did the kid just throw a bunch of electronics in a briefcase, and add an alarm clock to make a hoax bomb?