Recent content by Weston

Hi Bob S, thanks for your response. I want to make sure I understand. Using your numbering: 1) I probably should have said that the wires are next to the train, but fixed to the ground. From the ground frame, the wires are stationary and the current is moving. From the train perspective, the...

A few years ago, a very funny fellow named Ze Frank proposed making the Earth into a sandwich by placing two pieces of bread directly opposite each other. People all over the world got in on it and had some successes. In the process, Ze made a tool that might help you visualize the chance of...

Hi all, this is my first post to the forum. I've been thinking about a mechanism that can't work, but I can't figure out why not. Here is the idea: 1) If I have two wires parallel to each other on a table and I run a current through them, they will be attracted to each other. I believe...