More ideas from Arne
Silent rooftop wind turbines could generate half of a household's energy needs, adding solar panels as well could take the home off the power grid.

Electricity generation has associated risks and must only be carried out with exceptional health and safety checks to avoid surges, trip hazards etc. Silent rooftop wind turbines could generate half of a household's energy needs

my workstation pc

If you're using a Raspberry Pi computer for your weekend project (perhaps a media centre or a home server) then there is a good chance these useful command line instructions will save you time.