Once upon a time, in a small town called Brightville, there lived a curious young kid named Alex. He loved inventing things and was always filled with questions. One day, Alex became curious about how radios work.

Alex decided to seek answers and went to the library in Brightville. There, he found a book about inventors and scientists. He discovered that a man named Heinrich Hertz, an old German physicist, could explain how radios work.

Excited, Alex went to Heinrich Hertz's house. He knocked on the door, and to his surprise, the physicist himself answered. Heinrich Hertz kindly invited Alex in and offered him a seat.

Heinrich Hertz explained to Alex that radio waves are like invisible highways in the air. They carry information, just like cars carry people and things on a regular highway. Radios send and receive these waves, allowing us to hear music, news, and even talk to people far away.

To help Alex understand better, Heinrich Hertz used an example. He told Alex to imagine a group of people standing in a circle. When one person whispers a message into the ear of the person next to them, the message travels around the circle. This is how radios send and receive messages, but with invisible waves instead of people.

Alex was amazed by this analogy and asked more questions. Heinrich Hertz patiently answered each one, making sure Alex understood. They spent hours talking about radios and how the invisible waves make them work.

After their conversation, Alex thanked Heinrich Hertz for his time and knowledge. He left the physicist's house feeling inspired and excited to share his newfound understanding with others.

Back in Brightville, Alex decided to create his own mini radio. Using materials from his inventing kit, he built a simple radio circuit. When he turned it on, he could hear his favorite song playing on the radio waves.

Alex's friends and family were amazed by his invention. They asked him how it worked, and Alex joyfully explained everything he learned from Heinrich Hertz. Now, Alex's friends also wanted to become curious inventors and learn about different things.

From that day on, Alex continued to ask questions and seek knowledge. He became a passionate inventor, always curious about how things work. And with his inventions, he brought joy and knowledge to everyone around him in Brightville.