Roger Luebeck homepage


--> restoration (my vocation)

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

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

Engineers (real engineers -- 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)