21 Bizarre Bombs and Explosive Innovations

When most of us hear the word 'bomb,' we think of the explosive variety. That's the idea behind some of the non-destructive innovations below, like the Greenpeace environmental awareness campaign and the fizzing bath bombs by Lush, which use warfare connotations to attract attention.

There are other bombs in this cluster, however, that are far more dangerous. Thermobaric weapons are currently in development that have all the power of a nuclear bomb without its impact on the environment. And the Pentagon has developed a "gay bomb" that would create an immediate and acute physical and emotional, um, reaction that would prevent attackers from continuing their assault.

Naturally, there are also a few quirky bomb innovations to lighten up what would otherwise be a depressing cluster. The practice of 'photobombing,' clever alarm clocks that must be disarmed MacGyver-style and bomb-shaped USBs are some of the nonviolent highlights.