On 29/9/2007 4:56 PM, Terry Blanton wrote: > http://www.newswise.com/articles/view/533776/ > > "A novel device, developed by a team led by University at Buffalo > engineers, simply and conveniently traps, detects and manipulates the > single spin of an electron, overcoming some major obstacles that have > prevented progress toward spintronics and spin-based quantum > computing." > > <more> >
further on it says: > The UB researchers achieved success through their innovative use of quantum > point contacts: narrow, nanoscale constrictions that control the flow of > electrical charge between two conducting regions of a semiconductor." > > "By varying the voltage applied to the gates, the width of this constriction > can be squeezed continuously, until it eventually closes completely, he > said." Sounds similar to the 'sphincter'. Harry
