How does a simple relay help us understand electricity and circuits? In this episode of Science LIVE, Roger Billings breaks down the science behind the relay—the clever electromagnetic switch that makes it possible to control circuits with precision. Learn how relays work, why they’re essential in everyday electronics, and how this simple idea became a building block for modern technology. A clear, hands-on look at one of engineering’s most important tools.
radio Episodes
289. Inventioneer – Keystone Inventor
How do some inventors create ideas that shape entire industries? Listen as Dr. Roger Billings reflects on his journey as a lifelong inventor and shows how the principles of inventioneering can be applied to make lasting impact. Discover what it takes to go beyond ideas and prototypes to become a “keystone inventor” whose work supports and shapes future innovation. Whether you’re curious about invention, engineering, or the mindset behind breakthrough thinking, this episode offers inspiring insights and practical wisdom from one of today’s leading innovators.
288. Inventioneering
What does it really take to bring ideas to life? In this episode, Dr. Roger Billings takes us deeper into the world of inventioneering—the dynamic mix of creativity, engineering, and problem-solving that turns imagination into real-world inventions. He shows how inventioneering isn’t limited to tech or science—it can be applied to any creative or practical project. If you’ve ever had a spark of inspiration, this episode will help you learn how to shape it into something meaningful and impactful.
287. How to Invent
How do great inventions begin? In this episode of Science LIVE, Dr. Roger Billings breaks down the process of inventing—showing how curiosity, creativity, and simple problem-solving can grow into real innovations. Using Morse code as an example, he explains how messages are sent and demonstrates it with a telegraph key. A fun, practical look at how anyone can start turning ideas into inventions.
286. Radio Waves
How do invisible waves travel across the world and beyond? In this episode of Science LIVE, Dr. Roger Billings dives into the fascinating science of radio waves—how they’re created, how they move through space, and how they make long-distance communication possible. From the basics of frequency and transmission to early breakthroughs like Morse code and modern applications such as HAM radio and space communication, join us as we explore the hidden currents that keep us connected.
240. Radios Changed the World
What’s the difference between AM and FM? Who invented the first radio, and what was featured on the very first radio broadcast? Join Roger Billings on Science LIVE as he delves into the fascinating history of radio and uncovers the science behind frequencies and radio waves.
214. Solar Science: What Causes a Solar Eclipse
What is a solar eclipse? Tune in to this episode to explore the science behind solar eclipses and discover the sun’s energy, including sunspots, solar flares, and their effects on Earth.
174. Diodes Explained | Capturing Radio Signals
Curious about how computers and electronics communicate? Join Roger Billings on Science LIVE as he breaks down the concept of binary and how it powers the digital world. In this episode, we’ll explore the binary system, the foundation of all computing, and how it’s used in everything from simple calculations to complex technology.
05. Infrared & Radio Wave Lengths | Applied Science
Curious about how invisible waves like infrared and radio wavelengths impact our world? In this Science LIVE episode, Roger Billings explores the science behind these wavelengths, their role in communication, and their unique properties. Learn how ham radios work, how infrared technology is used in everyday devices, and how these waves help us explore the universe. Tune in for an engaging and educational journey into the unseen forces shaping our technology and discoveries.








