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sciencesourceimages:

Sorry For Overreacting!

High-speed footage of a Thermite reaction producing molten iron. Thermite is a mixture of powdered aluminum and iron oxide which reacts when ignited, producing iron and aluminum oxide in an exothermic reduction-oxidation (redox) reaction. 

SEE MORE ‘EXOTHERMIC REACTION’ VIDEOS

Molten iron is seen dripping out of the bottom of the flower pot as the reaction progresses. The reaction has a number of commercial uses that make use of its high temperature, including welding steel railroad tracks and cutting through metals in situ. 

The thermite reaction was discovered in 1893 and patented in 1895 by German chemist named Hans Goldschmidt. Consequently, the reaction is sometimes called the “Goldschmidt reaction” or “Goldschmidt process”. Goldschmidt was originally interested in producing very pure metals by avoiding the use of carbon in smelting, but he soon discovered the value of thermite in welding. 

Filmed at 250 frames per second (slowed down 10 times).

Video above © SPL / Science Source

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