Most popular 3D printers are open source hardware. I would love to see some conventional printers as well. Does anyone know the limitations or challenges that make it hard to do this?
I'm in high school in the USA and am on multiple interscholastic sports teams, and am also interested in transportation. I have yet to see a single CNG school bus
Not for personal data in general, but I have a catch all on a domain set up, so when I set up some account, I use the email [email protected]. If they share my email, I know where it came from.