You may also like...
how sodium polyacrylat binds water
by F.E.N. · Published 29. April 2023 · Last modified 30. April 2023
Stirling engine with drive piston and cylinder
by F.E.N. · Published 14. March 2013 · Last modified 21. March 2013
Overunity Evidence in Phun 2
by F.E.N. · Published 19. April 2012 · Last modified 28. September 2012