alt Hacker NewsAh, but of course. How could I forget about my trusty pocket doppler laser interferometer!
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JdeBP • today at 9:47 AM
Yours is not built in to your watch? You should go and have words with Q.
Ah, but of course. How could I forget about my trusty pocket doppler laser interferometer!
Yours is not built in to your watch? You should go and have words with Q.
This is a "high school project funded with pocket money" level of DIY, with €25 of parts.