Science & Technology Articles
A growing library of explainers, histories and practical investigations. New articles are added regularly, while the homepage only shows the newest highlights.
Why Faraday Still Matters Every Time a Magnet Moves Near a Wire
A clear introduction to electromagnetic induction and why Faraday’s experiments still sit underneath motors, generators and transformers.
Read article →Battery Experiments: Voltage Is Only the Beginning
A battery that shows a good voltage on a meter may still be poor at delivering useful energy. Current, capacity, resistance and lifetime matter too.
Read article →Solar Beyond the Panel: Why Storage and Timing Matter
Solar panels are only one part of a useful solar system. Storage, load timing, orientation and conversion losses often matter just as much.
Read article →Magnets, Coils and LEDs: Where the Energy Actually Comes From
A magnet and coil can generate electricity, but the electrical output comes from mechanical work used to change the magnetic flux.
Read article →Salt-Water Batteries: What the Water Does and What the Metals Do
A salt-water cell is a real electrochemical battery, but the energy comes from chemical reactions involving the electrodes—not from salt water itself.
Read article →Tesla Without the Myth: The Engineering Is Interesting Enough
Nikola Tesla’s documented work on alternating-current systems, motors and high-voltage experiments is remarkable without adding unsupported legends.
Read article →Von Neumann Architecture: The Old Idea Inside Modern Computers
Most computers still reflect a basic stored-program architecture associated with John von Neumann and his contemporaries.
Read article →Feynman’s Best Lesson: If You Cannot Explain It, Keep Working
What Richard Feynman’s style of explanation can teach us about learning difficult science without pretending it is simple.
Read article →Hello world!
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