Survival Tip: Make fire with steel wool and a battery!

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  Why does the steel wool catch on fire? When the two terminals of the battery touch the steel wool a closed circuit is created. Normally as electricity flows through a closed circuit, the energy is used by a device that is connected to the circuit. This device could be … Continue Reading

Railroad Tanker Car Crushed!

How did this happen?
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Tweet How could this railroad tanker car be crushed so easily? Watch the video below and see if you can figure it out. You will find an explanation to this dramatic demonstration below!         So what caused this steel railroad tanker car to be crushed like a flimsy, … Continue Reading