Electricity & Magnetism
How would you feel about having a bowl full of nails for breakfast? Okay, the shape might be a problem - so how about eating a bowl full of iron shavings? Believe it or not, some breakfast cereals contain actual iron shavings - on purpose!
Almost as confusing as an on and off relationship, these flat refrigerator magnets alternate between attraction and repulsion, but only when pulled in the right direction. Give it a try and see if you can make these magnets zip.
Is it a miniature porcupine? No! It’s ferrofluid. Follow these simple instructions to make your own.
When payday rolls around and you're wondering what to do with your money, try this simple experiment and make your money move.
Magneto hydrodynamic propulsion in your coffee cup!
The kitchen sink is a good place to wash dishes, rinse out empty soup cans and soak crusty bowls, but it’s also a great place to investigate one of the coolest forces of nature – electrostatics.