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 ...

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 ...

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

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 ...