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LCD Explained (and more)

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welcome to this part two about the

liquid crystal display very old but

still very relevant technology in the

previous video we ended with this

beautiful transparent dsm LCD dsm was

replaced after only two years with this

TM twisted nematic liquid crystal

display introduced in 1974 and still

widely used today it was easier to read

than DSM and the battery life was way

better this won't watch for example as a

claimed battery life of 10 years and now

14 years later it's still running on the

same battery

in fact it needs so little power it can

run on water

[Music]

even a small static charge activates

random segments

but my favorite example isn't this

little device all the way from my