Blog Posts
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Fun with Op Amps
One can see the same potential applied to both inputs of the op amp, causing 0V output potential. That made sense. When connecting the inverting input pin to half the potential of the output (using two 10 kΩ fixed resistors as a potential divider), the output potential became 10V. Well, half of 10V is 5V,…
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Not the aurora after all
Whilst I’m sure it was still impressive and exciting looking at ‘rainbow clouds’, it was a big let down compared to the prospect of looking at an aurora this far South.
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Another astronomy video done…
The latest video is about what we can do with the electromagnetic radiation we detect from stars and galaxies.
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First post on a blog
I have recently got back from Edinburgh, where I saw this very large sextant (see picture).
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