The effect is called the Lenz Effect. The moving magnet causes small magnetic fields, called eddy currents, to form in the metal (brass, aluminum foil/tube ...). These eddy currents have their own magnetic field (all electrical currents do). This is what is interacting with the moving magnet.
1 Limited use: The Angel Card can only be used in Victoriaâs Secret and PINK stores. 2  While you may also use the card at Bath & Body Works stores, you will not earn Angel Reward points on those purchases.
How to enable (or disable) iCloud Keychain on your iPhone and iPad. There are some pros and cons to using iCloud Keychain. For example, it doesn't have a separate master password option, so all anyone needs to know in order to access your passwords is your unlock code on any of your devices.ny time you pay with a credit card on your Mac, iCloud Keychain will offer to save it. However, you can also add a card manually any time it's convenient. That can save you a mad dash to your wallet in the middle of the night. 1  How to manually add or remove credit cards in iCloud Keychain for OS X.