With 2 Square Meters of Sunlight, You Can Melt Anything

Yep, anything (on Earth). Below, BBC One's Bang Goes the Theory demonstrates how normal sunshine can become a lethal heat-ray of 3,500 degrees celsius (with the aid of a high-performance solar furnace). That's hot enough to melt rocks. 

More by Bang Goes The Theory:

• Vortex Cannon Demolishes House.
• Real Life Spider-Man.
• Car-puccino Runs Purely on Coffee.
• 13 Gloriously Disgusting, Maggot Filled Days of Rotting Food.