Hmmm… I’m not sure. I’d say it was probably trying to build the tallest tower out of my lego when I was younger. You soon learn that stacking all the bricks on top of each other is not the best way to go!
In my professional life at university, it was trying to figure out how the cooling of nuclear power stations works.
The first I can remember was trying to build a simple circuit for a doorbell – I don’t remember whether I was successful, but I did enjoy using a soldering iron!
I’d say when I was doing my design & technology A-level, I made a lamp and did all the circuitry. It was good fun designing and then making the circuits, it worked pretty well but I did make a mistake which meant it made a loud whirring sound 🙂
As a working engineer I think my first experiment, if you can call it that, was taking gas pressure readings to identify pressure losses in the pipes.
I had to use a very simple piece of kit, a U-tube manometer filled with flourescent die. I attached this to bio-gas pipework, the difference in height between the two sides of the manometer showed the gas pressure.
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