Children who are skilled in understanding how shapes fit together to make recognizable objects also have an advantage when it comes to learning the number line and solving math problems, research at ...

This is a preview. Log in through your library . Abstract A variety of consistent estimators of the parameters of a linear functional relation have been proposed over the years. Some find their basis ...

Back in the 1980s, Pacific Bearing Co. (PBC) invented and commercialized plain bearings, which were sized to be interchangeable with linear ball bearings. Plain bearings worked very well in certain ...