Magnetic Field Quiz

The last answer is the correct one orientation quiz. What to do if it is likely most of your audiance has wandered off. Sorry it is a bit scratchy at first, later it is quite listenable to.

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Field gradient surprise

It is only when you build a large solenoid electromagnet do you discover it is not the field strength but the field gradient that a magnet in the field feels. Bit broken up as I work my way through Glenbrook, but it is basic science so many people fluff about.

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New Plastic Fabrication Technique

It feels odd, nutting out a new way of doing something and feeling not emotion. Anyhow, I cut Corflute blanks and layer them cross grain. I glue the layers with flexible shoe glue that I spread by shearing. I then refine the shape with a soldering iron which also seals the edges.

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Training Schedule for Computer Training

Always two per computer, but having overlap with new people coming in but always with an old hand who has been vetted.

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Why is electronics so cheap

Surface mounts, chinese clones, volume and learning curve. It is suspiciously cheap in my opinion, but I am an old codger.

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Maths of dual rehabilitation

It wasn't until I spoke on this podcast, I found that maths sets you free to think. At any rate there are basic mathematical models that help you do two interacting activities and make sense of any progress.

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I discover prototype boards

This is the go to solution after the bulky and loopy bread boards. The sound quality is a bit noisy, and I essentially do a poor job of describing them which it turns out was a prelude to a second rate job of using them.

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Glenbrook Merry Makers

Hear first hand the story of a group of locals and how they kept up the moral of country under siege.

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Life before US oil

This is a live broadcast of Denis Bainbridges's talk on eye poping mining in late 19th century

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Utter electronics despair

Hear the confused mind of someone who has a mystery disease laying low every level of board in the quest to make the ultimate teaching robot.

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