What Is This Sorcery? You Have To See What Happens When You Drop A Magnet Down A Copper Tube

February 5, 2014

Okay so maybe it's not sorcery. This is actually Lenz's Law in action. The copper tube "sees" a changing magnetic field from the falling magnet. This changing magnetic field induces a current in the copper tube. The induced current in the copper tube creates its own magnetic field that opposes the magnetic field that created it.

feel good videoHis Last Day As A Teacher After 36 Years. They Turned It Into A Memory For Life

feel good storiesA Couple Invited A Homeless Man In On Christmas — And He Never Left

feel good storiesMan Marks 11th Straight Christmas As The Last Unmarried Member Of His Family

feel good storiesTeacher’s Simple Strategy Is Changing The Lives Of So-Called ‘Troublemaker’ Students

feel good storiesThree Brothers Cleaning Out Mom’s Attic Found A Comic Worth $9 Million

feel good stories'I Laughed And Cried': Vet’s Hilarious Condolence Card Brings Laughter To Grieving Cat Owner

feel good videoHis Last Day As A Teacher After 36 Years. They Turned It Into A Memory For Life

feel good videoBrother Uses ALL His School Reward Money To Surprise Sister On Christmas

feel good video104-Year-Old WWII Veteran Brings The House Down With National Anthem On Saxophone

feel good videoFirst Responders Use Olive Oil To Rescue Squirrel Trapped In Dumpster

feel good videoWatch The Moment This Dog Is Rescued From Dog Fighting