Donald Trump's recent rant at an Iowa rally shows that he sadly won't be able to tell you. The rock-rap duo Insane Clown Posse posed that very question in their "Miracles" single in 2009, as they took ...
Engineeringness on MSN
How Do Magnets Control So Many Devices?
Magnets are found in motors, speakers, sensors, and countless everyday devices. This video explains how magnetic fields work ...
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