fagin
Philosopher
Wow. 555 chip, 1 resistor, 1 capacitor and rudimentary soldering makes a timer circuit. How are you unaware of such rudimentary electronics 101?
With those three components and a battery, you are done. Those numeric countdown numbers, those are an invention of Hollywood for dramatic effect.
ETA: also deployed by terrorists to distract LE from how the actual bomb works. The squeaky wheel gets the oil.
You bastard. My childhood, ruined.
At least I still have Wile E. Coyote.