| ▲ | andai an hour ago | |
Ah, but of course. How could I forget about my trusty pocket doppler laser interferometer! | ||
| ▲ | ben_w 44 minutes ago | parent | next [-] | |
This is a "high school project funded with pocket money" level of DIY, with €25 of parts. | ||
| ▲ | JdeBP 44 minutes ago | parent | prev [-] | |
Yours is not built in to your watch? You should go and have words with Q. | ||