I got on very well with Van der Linden's Deep C Secrets. It's from 1994, so misses out on the newer versions, but aside from that it's aged well, IMHO.
The entire device is tiny: 20mm x 5mm x 5mm approx. It looks to work using a small laser and a lens which focuses the beam about 5mm above the device. The sensor unit contains a photodiode(s), and algorithms count the particulates. It looks to need a heat sink.
There are quite a few examples of very misguided educational strategies.
Whole Language[1] failed so many students, but had significant funding and guru-level support for decades. Brain Gym[2] is regarded as pseudoscience. Even Discovery Learning has had serious detractors.
Commodore release a new variant of their C64 computer, with a '99%' faithful recreation of the original hardware on an AMD Artix 7 FPGA, along with some more up-to-date specifications. Suitable for retro gaming.
indeed, with an incoming Teams meeting invite, it should be determinable from the sender's context which account should work on the meeting. Instead there is 2 minutes of waiting, and what seems like pot luck with the account.
“Writing about writer’s block is better than not writing at all.”