Parabolas in Real Life - Solar Furnaces and Buildings that Unintentionally Burn Things
The world's largest solar furnace is at Odeillo in the Pyrénées-Orientales in France
The rays are focused onto an area the size of a cooking pot and can reach 3,500 °C (6,330 °F).
As a comparison, the surface of the sun is 6000°C (11000°F).
Skip to the 4 minute mark of this video...
The architect of this Las Vegas hotel should've paid attention in math class!
