"Swappa" is a site similar to eBay but perhaps somewhat more organized, possibly useful for things like buying used electronics such as cellphones in the US
How Kristopher Micinski thinks you should write #compilers, structured as a five-project #tutorial
people arguing about how to build #compilers
#SIGCHI #paper #toread about #3D-printing volumetric shapes by #knitting
#lcamtuf on signal filtering in analog #electronics without the Laplace transform, starting from RC decay curves and moving on to RC high-pass and low-pass filters.
#qr-backup challenge task: write a printable 1-page C program to restore
#MIT #OCW #lecture #video on introduction to power #electronics #toread
#video on #cooling houses with a natural-convection earth-source PVC tube to save #energy. #HVAC
#video #documentary on #NIMBY in #Andalusia, #Spain, fighting #solar #energy because the #PV parks are proliferating, and the Spanish state are expropriating the lands of farmers to reach their goals, which is "in their backyard" in a far more literal sense than the usual one. “Renovables sí, pero no así”. Etc. I didn’t finish it.
#tutorial on #hoarding old #cellphones and installing #PostmarketOS to use them as web servers. #CC BY-NC-SA
Andrej has a very positive vision of open-source collaboration
#Styropyro #video #toread about a 30,000-watt incandescent lightbulb
#Video #toread about a camper trailer towed behind an electric #bicycle.