4FourTwo’s Scott Maitland investigates how cats might work to detect magnets, and how a cat’s magnetism could be used to protect us from magnetic fields.
Magnetic fields are a danger for people.
Magnetic fields are not just for the military or in the home.
Magnetic fields can affect the human body through radio waves, microwaves, ultrasound, and x-rays.
We use them to detect our heartbeat and to find objects in our environment.
Magnetism has a long history in everyday life.
The ancient Greeks called magnets “magnetic fields”.
It was around this time that a French scientist named Jean-Jacques Rousseau coined the phrase “Magnetoception” to describe how the human brain detects magnetic fields in the environment.
Modern technology allows us to detect magnetic fields from the environment around us.
Magnetic sensors such as the Magnetic Sensors in your house can detect the magnetic field around you, and you can even turn them on or off.
You can find out more about how magnets work in the latest FourFourSecond documentary, Magnetic Locks.