Discover how to build a simple homopolar motor using everyday household items in this easy-to-follow tutorial. Learn the fundamentals of electromagnetism and magnetic polarity by assembling motors ...

Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch step-by-step as we cut lemons, prepare copper and aluminum electrodes, and ...

On a physical level, a transistor’s internal functioning is very complex, but, in practice, using it in some simple experiments is quite easy and affordable for everyone. A transistor allows to create ...

But what if the frame of the car could hold energy? “Due to their multifunctionality, structural battery composites are often ...