Bring spare compasses. Undamped compasses work best for this demo. Place compasses at various locations in and around the solenoid. Press and hold the power supply button to activate current. Observe ...
Magnets aren't attracted to copper, but when the two come together they can appear to defy gravity. Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets ...