Learn How to Build a Powerful DIY Electromagnet Using a Microwave Oven Transformer and Simple Electrical Components. This Step by Step Experiment Demonstrates How Voltage Affects Magnetic Strength ...

It’s OK, you can admit it — from the time you first saw those huge electromagnetic cranes in scrap yards you’ve wanted to have one. While it may not fling around a car, parts donated from scrapped ...

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 ...

The Egg Drop is a classic way to get students into engineering, fabrication, and experimentation. It’s a challenge to build a container to protect a raw egg from cracking when dropped from various ...

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 ...

"Do not levitate the spoon; that's impossible. Instead, only try to realize the truth. There is no spoon." - para. The Matrix (1999) But what if there is a spoon? Or some other object. You can't just ...

What is an electromagnet? What does electromagnetic mean? How do electromagnets work? Electromagnets use an electrical current in order to produce magnetic poles. The operate just like permanent ...

In everyday life, we use magnets in a variety of ways, from holding notes on a refrigerator to securely locking a safe or a cabinet door. Electromagnets are especially useful because the magnetic ...