Showdown of the Unbeatables

In an ultimate showdown, can a nearly impenetrable safe withstand a two-story-tall superjackhammer?

A robot takes on the world's strongest man and a supersized fire truck takes on a giant flamethrower

A laser-guided rifle goes up against an agile flying drone. A super umbrella battles a giant blower.

The world's hottest blowtorch goes up against a chainsaw that can cut through stone and steel.

A super drill goes up against a super durable alloy that's special-ordered by the military.

A vaporizing laser goes up against an epoxy so strong that most acids and jet blasts won't harm it.