I HAVE often been impressed by the scanty attention paid even by original workers in physics to the great principle of similitude. It happens not infrequently that results in the form of “laws” are ...

Earthquakes and other stressors on buildings pose a threat to their structural integrity that endangers human life. It is effective to be able to calculate the behavior of buildings and test with ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...