After Carl Wieman won the Nobel Prize for physics in 2001 for, as he puts it, “shining lasers on atoms” in a new way that gave experimental proof to a theory by Albert Einstein, Wieman decided to ...

George F. R. Ellis is in the Mathematics Department of the University of Cape Town, Rondebosch 7700, Cape Town, South Africa. Assembly theory fills this gap in an innovative way by quantifying the ...

Peter Paccone, a social studies teacher in San Marino, Calif., has a new teacher’s aid helping him in the classroom this year. He plans to defer to his helper to explain some simpler topics to his ...