"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 ...

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 ...

The electronic diode is a device that allows current to travel in one direction but not the other. That makes them handy things to have around. So handy, in fact, that you’d be hard pressed to find an ...

A lot of electronics use up power even when they're turned off and that wastes energy. The easy fix for this is to simply flip off a power strip, but if you want to root out and identify the source, ...

To protect the electromagnetic compatibility (EMC) of complex systems like aircraft and automobiles, you need a full electromagnetic (EM) model. A virtual test environment allows you to assess a ...

Invented in 1824 by the British physicist William Sturgeon, electromagnets are a fixture of modern life, appearing in loudspeakers, motors, magnetic resonance imaging (MRI) machines, maglev trains, ...

Cosmology 'The chances of you living 50 years are very small': Theoretical physicist explains why humanity likely won't survive to see all the forces unified Rivers & Oceans Building a massive dam ...