Things of beauty

When you buy and use a USB thumb drive, as they’re called, do you wonder what’s inside that bit of plastic?

Above is a 1 megabit (approx.) Large Scale Integrated Circuit (LSIC) containg many individual memory chips to make up the 1 MB of Random Access Memory (RAM). Notice that it’s four rows of eight squares. We tend to think in terms of powers of two, and eight is a good number.

I find these images beautiful:

PCBlayout1

This one is the printed circuit board layout which holds the ICs and all the associated circuit components. Look at the beautiful complexity! Human hands did this. Computer software plays a bug part in laying it out, but a human wrote that software anyway.

2014-03-18-edne-gp-mentor3f23bdd1bf5d3475098138a87a56d3bf9 C0386-Figure1 dsp_zoom Interviews_FEL_layout layout_fulladder

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