This event reinforced the idea of remotely triggered earthquakes, and pushed the hypothesis into the scientific mainstream.
There are also provisions to remotely trigger actions, such as starting and stopping recording.
Much attention has been given to remotely triggered earthquakes since the 1992 Landers earthquake in southern California.
"It was set up to be triggered remotely."
The bomb was described as being formed from a mortar round and remotely triggered by cell phone, however it apparently went off prematurely.
Is there any way to leave the safety devices installed and still allow the weapon to be triggered remotely?
Such devices are often placed in bait cars and configured so that observing police can trigger the switch remotely.
Mr Chidambaram said none of the bombs had been triggered remotely.
Both include a hot shoe for on-camera flash, or attachments to remotely trigger the shutter.
Remotely triggered earthquakes - after main shock but outside the aftershock zone.