I tried this DIY vacuum cleaning hack — and it solved one of my biggest problems
Even using one of the best vacuum cleaners and many attachments, still weren't good enough for tackling those narrow or ...
Hackaday8y
DIY Vacuum Chamber Proves Thermodynamics Professor Isn’t Making It All Up
His thermodynamics teacher agreed with the stance that engineering is best learned through experimentation, and tasked [Mr_GreenCoat]’s group with the construction of a vacuum chamber to prove ...