1) Beginning at one end, wrap the wire neatly around the nail. You may tape this in place if you like but it is not necessary for it to work. See illustration below. 2) Expose the ends of the wire by ...

Today when we send information -- speech, words, numbers, or pictures -- to someone far away we can use the radio, telephone, television, fax machine, or a computer network. However, the need for ...

The lifting electromagnet article I posted years ago (https://www.codrey.com/electronic-circuits/lifting-electromagnet-diy/) has been more popular that it should have ...