Plant Cells Are Not Just Green Yeast

Plant cells are not just green yeast.

Are plant cells just yeast cells with chloroplasts? Should plant cell biologists who don’t work on chloroplasts just switch to yeast to help solve the basic questions that are common to all eukaryotes? The recent completion of the sequencing of the entire yeast (Saccharomyces cerevisiae) genome and the availability of hundreds of well-characterized mutants certainly make this a tempting proposi...

Edges Are Not Just Steps

Images contain step edges, line features and many feature types that are somewhere between the two. Traditional gradient based edge operators are tuned to detect step edges, and hence are unable to properly detect and localize other feature types. The Phase Congruency detector is used as a tool to identify the different feature types found in images. It is shown that there is a continuum of fea...

Jets are not just 4 - momenta !

Documents Are Not Just for Printing

Modern use has emphasized the written/printed nature of documents to the extent that today documents imply writing on paper. This trend is well reeected by document processing systems that can produce high quality paper output. The world of electronic documents currently abounds with a plethora of markup languages, document encodings and typesetting systems designed to facilitate the production...

Reconstructing the Past: Personal Memory Technologies Are Not Just Personal and Not Just for Memory

Reconstructing the Past: Personal Memory Technologies Are Not Just Personal and Not Just for Memory Masashi Crete-Nishihata a , Ronald M. Baecker a , Michael Massimi a , Deborah Ptak a , Rachelle Campigotto a , Liam D. Kaufman a , Adam M. Brickman b , Gary R. Turner c , Joshua R. Steinerman d & Sandra E. Black c a University of Toronto, Canada b Columbia University College of Physicians and Sur...