Roger Luebeck homepage


--> restoration (my vocation)

--> rogcad.com (my 3D CAD software)

--> relativitytrail.com (my book at the U of M)

Engineers (real ones -- mechanical, electrical,
electronic, chemical) and manufacturers have
provided me with a pampered life, filled with
devices and the comforts of clothing and other
textiles.  Yet, they don't know what time it is.

--> Actual time in Minneapolis is 


--> olden-days.me (my personal homepage)