The growing popularity of cassettes in the music industry is creating a serious tape shortage. One die-hard supplier, National Audio Co. in Springfield, Mo., sees an opportunity. Photo: Blake ...

Although magnetic tape hasn’t been popular at the consumer level since about the 1980s, ... Millimeter waves at frequencies between 30 and 300 GHz are aimed at strips of epsilon iron oxide, ...

It uses Neodymium magnets, the strongest type of commercial magnet available, to hold on to the bottle caps and the whole device attaches to the 'ceiling' of a fridge using special 3M tape.

Magnetic tape can be found at any home improvement store or online; it's usually $4-5 for a 1/2inch by 10ft roll. Cut a strip to fit your medicine cabinet or other storage area, peel away the ...

These high frequency waves are directed at strips of epsilon iron oxide, which is an excellent absorber of such waves. When an external magnetic field is applied, the epsilon iron oxide allows its ...

Magnetic strips were introduced in the 1960s and allowed banks to encode a user's bank information onto the magnetic tape laminated on the back of the card. Opting for biometrics adds another ...

Store Paper Clips, Bobby Pins, and More with Magnetic Tape. Whitson Gordon April 17 ... You can find magnetic strips online at places like Amazon (this one is a top seller) for pretty cheap, too.